Vienna 
Brussels 
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Basel 
Guangzhou 
Osaka 
Tampico 
Hersonissos 6 
Olbia 
Davis Сup Group I Tennis. Played Cengiz Berfu. Season 2025
Country 
Turkey. Ranking WTA 502.
Turkey. Ranking WTA 502.| WTA - Samsun | ||||
|---|---|---|---|---|
| 29.09.2025 | First round | Fett Jana — Cengiz Berfu | 0:2 (6:7, 4:6) |
|
 WTA - Sao Paulo | ||||
| 11.09.2025 | Second round | Cengiz Berfu — Zarazua Renata | 0:2 (4:6, 4:6) |
|
| 09.09.2025 | First round | Ortenzi Jazmin — Cengiz Berfu | 0:2 (1:6, 2:6) |
|
 WTA - US Open | ||||
| 20.08.2025 | Qualifications - 1st round | Cengiz Berfu — Wei Sijia | 0:2 (2:6, 2:6) |
|
 WTA - Hamburg | ||||
| 15.07.2025 | First round | Kraus Sinja — Cengiz Berfu | 2:1 (4:6, 7:5, 6:4) |
|
 WTA - Bastad | ||||
| 08.07.2025 | First round | Cengiz Berfu — Lepchenko Varvara | 0:2 (3:6, 1:6) |
|
 WTA - Wimbledon | ||||
| 24.06.2025 | Qualifications - 1st round | Cengiz Berfu — Snigur Daria | 0:2 (3:6, 1:6) |
|
 WTA - Valencia | ||||
| 09.06.2025 | First round | Serban Raluca Georgiana — Cengiz Berfu | 2:0 (6:3, 6:4) |
|
 ATP - The Dubai Tennis Championships | ||||
| 26.08.2025 | First round | Bains Naiktha — Cengiz Berfu | 2:1 (6:4, 5:7, 7:6) |
|