CAS Case Digest · Verified against the full award text

CAS 2025/A/11347 — Ali Sofuoğlu v. World Karate Federation (WKF)

"Sofuoğlu" · CAS upheld a two-year ban for three whereabouts failures but limited result disqualification to commence from 31 March 2025.

Award date	1 July 2026
Panel	Sole Arbitrator: Mr Mark A. Hovell, Solicitor in Manchester, United Kingdom
Outcome	Appeal partially upheld: two-year period of ineligibility from 31 March 2025 confirmed; result disqualification limited to commence from 31 March 2025 (not 11 October 2023).
Provisions	Art. 2.4 WKF ADR (2021 Edition) – whereabouts failures ADRV Art. 10.3.2 WKF ADR – period of ineligibility for whereabouts failures (2 years, reducible to 1 year) Art. 10.10 WKF ADR – disqualification of results (fairness exception) Art. 10.13 WKF ADR – commencement of period of ineligibility Art. 10.13.1 WKF ADR – retroactive commencement of ineligibility Art. 10.5 WKF ADR – no fault or negligence Art. 10.12 WKF ADR – financial consequences and costs Art. 13.2.1 WKF ADR – appeals by international-level athletes to CAS Art. 13.6.1 WKF ADR – 21-day appeal deadline Art. B.2.4 ISRM – requirements for recording a missed test Art. B.2.3 ISRM – referenced in missed test requirements Art. B.3.5 ISRM – new evidence in results management Art. 4.2 ISRM – non-binding six-month guideline for results management Arts. 4.8.8.2, 4.8.8.3, 4.8.8.6 ISTI – athlete whereabouts obligations Art. R37 CAS Code – provisional measures Art. R47 CAS Code – jurisdiction/appeal Art. R48 CAS Code – statement of appeal requirements Art. R49 CAS Code – time limit for appeal Art. R51 CAS Code – appeal brief Art. R52 CAS Code – expedited proceedings Art. R55 CAS Code – answer; bar on new arguments Art. R57 CAS Code – decision on written submissions Art. R58 CAS Code – applicable law Art. 6 ECHR – right to fair hearing (raised by appellant)

What happened in Sofuoğlu

Ali Sofuoğlu, a Turkish elite karate kata athlete and 2023 World Champion, was included in the WKF Registered Testing Pool from 3 February 2023. Between May and October 2023 he accumulated three missed out-of-competition tests: 13 May 2023 (competing in Rabat, Morocco without updating ADAMS), 21 September 2023 (at a national training camp in Izmir, admitted forgetting to update), and 11 October 2023 (emergency late-night call-up to Izmir camp, phone battery issues alleged). The IHP found an ADRV under Article 2.4 WKF ADR and imposed a two-year period of ineligibility from 31 March 2025, with disqualification of all results from 11 October 2023. Sofuoğlu appealed to CAS, arguing no fault/negligence, force majeure, ADAMS technical failures, procedural irregularities, and disproportionate disqualification. The Sole Arbitrator confirmed all three missed tests and the two-year ban but partially upheld the appeal on one point: invoking the 'fairness' exception in Article 10.10 WKF ADR, he limited result disqualification to commence from 31 March 2025 (the IHP operative award date) rather than 11 October 2023, because negative doping tests in the intervening period meant no results were tainted. The case matters as a clear restatement that experienced RTP athletes bear a high duty of care for whereabouts compliance and that ADAMS technical or language difficulties require contemporaneous evidence to be credited.

Procedural history of CAS 2025/A/11347

Sofuoğlu was included in the WKF RTP on 3 February 2023. Three missed tests were recorded: 13 May 2023 (formally recorded 26 September 2023), 21 September 2023 (recorded 16 January 2024), and 11 October 2023 (recorded 18 March 2024 after administrative review). On 23 May 2024 the ITA notified an apparent ADRV under Article 2.4 WKF ADR. On 17 September 2024 the ITA referred the matter to the IHP. A hearing was held on 11 March 2025; the IHP Operative Award was issued 31 March 2025 imposing a two-year period of ineligibility from that date and disqualification of all results from 11 October 2023. The reasoned Appealed Decision was issued 17 April 2025 and notified 30 April 2025. Sofuoğlu filed a Statement of Appeal on 20 May 2025 and an Appeal Brief on 10 June 2025. The WKF/ITA filed its Answer on 27 June 2025. Both parties waived an oral hearing on 7 July 2025. The operative CAS award was rendered on 15 July 2025; the reasoned award is dated 1 July 2026.

Key holdings in CAS 2025/A/11347

Three missed out-of-competition tests within a twelve-month period by an RTP athlete constitute an ADRV under Article 2.4 WKF ADR regardless of the absence of any prohibited substance.
An athlete's negligence for a missed test is presumed under Article B.2.4(e) ISRM once the RMA establishes the procedural requirements in sub-Articles B.2.4(a)–(d), and that presumption can only be rebutted by proof that no negligent behaviour caused or contributed to the failure.
A national team call-up, even if urgent and potentially carrying serious consequences for non-attendance, does not constitute force majeure because the athlete acknowledged he could have taken different steps to update ADAMS, meaning performance of the obligation was not rendered impossible.
An experienced international athlete who received ADAMS training, successfully used the system, and had sufficient English and IT skills cannot rely on alleged language barriers or technical difficulties to reduce fault, particularly absent contemporaneous evidence such as screenshots.
Under the 'unless fairness requires otherwise' exception in Article 10.10 WKF ADR, result disqualification may be aligned with the commencement of the ineligibility period where negative doping tests during the intervening period show no results were tainted by doping.

How the CAS panel reasoned

The Sole Arbitrator applied a structured analysis of each missed test against the cumulative requirements of Article B.2.4 ISRM. For the First Whereabouts Failure, he rejected the argument that the DCO should have known the athlete was in Morocco, noting the obligation to update ADAMS rests solely on the athlete; the athlete had three days in Morocco before the failure and produced no screenshots or other contemporaneous evidence of technical difficulties. For the Second, the athlete's own admission of forgetting to update sufficed. For the Third, the arbitrator found the athlete's account internally inconsistent: he claimed technical impossibility yet updated ADAMS within minutes of the DCO's call, demonstrating both the means and ability to comply. The force majeure argument failed because the athlete himself acknowledged he would have acted differently had he known the stakes, negating the 'impossibility' element required by CAS 2015/A/3909. On sanction, the arbitrator weighed the athlete's extensive experience (Olympic bronze 2020, multiple World Championship medals, RTP membership since 2018), confirmed ADAMS training, demonstrated English and IT capability, and his pattern of ignoring ITA correspondence. These factors supported the standard two-year ban under Article 10.3.2 WKF ADR. The ITA's delay arguments were rejected as the athlete's own late expert-report request caused the hearing postponement. On disqualification, the arbitrator followed CAS 2022/A/9033 and applied the fairness exception, aligning disqualification with the ineligibility start date given clean tests in the intervening period.

Why Sofuoğlu matters in CAS jurisprudence

Sofuoğlu reinforces that elite athletes with RTP experience bear a high and non-delegable duty of care for whereabouts compliance; unsubstantiated claims of ADAMS technical failures, language barriers, or force majeure will not rebut the negligence presumption absent contemporaneous evidence. The award also provides a clear application of the Article 10.10 WKF ADR fairness exception, following CAS 2022/A/9033, to align result disqualification with the ineligibility start date where clean tests in the intervening period negate any suspicion of doping-tainted results.

Decision: Appeal partially upheld: two-year period of ineligibility from 31 March 2025 confirmed; result disqualification limited to commence from 31 March 2025 (not 11 October 2023).

Cases cited in this award

CAS 2006/A/1165 (Christine Ohuruogu) CAS 2015/A/3909 CAS 2020/A/7526 & 7559 CAS 2022/A/8809 CAS 2022/A/9033

Frequently asked questions about Sofuoğlu

Why did Sofuoğlu receive a two-year ban if no prohibited substance was found?

Under Article 2.4 WKF ADR, three missed out-of-competition tests within a twelve-month period constitute an anti-doping rule violation regardless of whether any prohibited substance is involved. The Sole Arbitrator found all three missed tests (13 May, 21 September, and 11 October 2023) were properly recorded and that the athlete's degree of fault was high, warranting the standard two-year period of ineligibility under Article 10.3.2 WKF ADR.

Did Sofuoğlu's argument that ADAMS had technical SMS authentication problems succeed?

No. The Sole Arbitrator rejected the technical difficulties argument for all three failures due to a lack of contemporaneous evidence such as screenshots of error messages or login attempts. Critically, for the third missed test the athlete updated ADAMS within minutes of being contacted by the DCO on his iPhone using Google Chrome, demonstrating he had both the means and ability to comply before he left for Izmir.

Were Sofuoğlu's World Championship and other results from 2023 disqualified?

No. Although the IHP had disqualified all results from 11 October 2023, CAS partially upheld the appeal on this point. Applying the 'unless fairness requires otherwise' exception in Article 10.10 WKF ADR and following CAS 2022/A/9033, the Sole Arbitrator limited disqualification to results from 31 March 2025 (the IHP operative award date), because negative doping tests in the intervening period showed no results were tainted by doping.

Could the ineligibility period in Sofuoğlu be backdated to the date of the third missed test on 11 October 2023?

No. The Sole Arbitrator declined to backdate the ineligibility period under Article 10.13.1 WKF ADR. Although 18 months elapsed between the third missed test and the IHP decision, the delay was substantially attributable to the athlete himself, who made a late production request in January 2025 and sought to adduce an expert report after his initial submissions, causing the hearing to be pushed from mid-January to mid-March 2025.

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Topics: Doping, ethics & governance at CAS

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