Berfu Tutumlu won the TDŞ 2025/4 round on October 18, 2025 at İstanbul Park, taking 100 race points. Mevlüt Erbay finished second and Erol Özteknik third. Enver Haskasap took pole in qualifying.
Qualifying
Enver Haskasap took pole with a best of 96.
Behind the pole-sitter: P2 Berfu Tutumlu (96), P3 Levent Enön (96), P4 Ömer Mert Örs (94), P5 İbrahim Yücebaş (90), P6 Celal Erülkü (89), P7 Ahmet Öksüzoğulları (87), P8 Doğuş Can Dursun (79).
Top 32
The top 32 advanced 16 drivers. Upsets: Mevlüt Erbay (seed 20) over İzel Benşuşe (seed 13); Kemal Soylu (seed 21) over Akay Akbil (seed 12).
Top 16
The top 16 advanced 8 drivers. Upsets: Erol Özteknik (seed 17) over Enver Haskasap (seed 1); Mevlüt Erbay (seed 20) over Ömer Mert Örs (seed 4); Kemal Soylu (seed 21) over İbrahim Yücebaş (seed 5).
Quarter-finals
Quarter-final results: Erol Özteknik d. Abdullah Bostan; Mevlüt Erbay d. Kemal Soylu; Berfu Tutumlu d. Harun Karabulut; Levent Enön d. Celal Erülkü.
Semi-finals
Mevlüt Erbay beat Erol Özteknik; Berfu Tutumlu beat Levent Enön.
Final
Berfu Tutumlu beat Mevlüt Erbay in the final to take the round.
Podium
- Berfu Tutumlu — 100 pts
- Mevlüt Erbay — 90 pts
- Erol Özteknik — 78 pts
Full Results
| Pos | Driver | Pts |
|---|---|---|
| 1 | Berfu Tutumlu | 100 |
| 2 | Mevlüt Erbay | 90 |
| 3 | Erol Özteknik | 78 |
| 4 | Levent Enön | 65 |
| 5 | Celal Erülkü | 48 |
| 6 | Abdullah Bostan | 48 |
| 7 | Harun Karabulut | 48 |
| 8 | Kemal Soylu | 48 |
| 9 | Enver Haskasap | 32 |
| 10 | Ömer Mert Örs | 32 |
| 11 | İbrahim Yücebaş | 32 |
| 12 | Ahmet Öksüzoğulları | 32 |
| 13 | Doğuş Can Dursun | 32 |
| 14 | Çağlar Küçükdumlu | 32 |
| 15 | Pınar Özge Kılcı | 32 |
| 16 | Ertekin Tekneci | 32 |
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