 Germany: M15 Saarlouis - Doubles - Main |
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| 1/8-finals | Johann L./Welte M. | Bobrov B./Fomin S. | 2:1 (6:4, 2:6, 10:4) | details | 18.06.2024 |
 Bosnia and Herzegovina: M25 Kiseljak - Doubles - Main |
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| Semi-finals | Paul J./Vocel M. | Fomin S./Sharipov M. | 2:0 (6:4, 7:62) | details | 31.05.2024 |
| Quarter-finals | Kasnikowski M./Moeller E. | Fomin S./Sharipov M. | WO. | details | 30.05.2024 |
| 1/8-finals | Klok D./Toman P. E. | Fomin S./Sharipov M. | 0:2 (1:6, 3:6) | details | 28.05.2024 |
 Kazakhstan: M15 Shymkent - Doubles - Main |
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| Quarter-finals | Fomin S./Vanshelboim E. | Lomakin G./Verbin P. | WO. | details | 19.04.2024 |
| 1/8-finals | Fomin S./Vanshelboim E. | Inui Y./Nishiwaki K. | 2:1 (6:4, 62:7, 10:5) | details | 18.04.2024 |
 Turkey: M15 Antalya 9 - Doubles - Main |
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| Final | Sperle J./Vankan M. | Fomin S./Verbin P. | 2:0 (7:65, 6:1) | details | 06.04.2024 |
| Semi-finals | Akkoyun U./Turker M. N. | Fomin S./Verbin P. | 0:2 (66:7, 4:6) | details | 05.04.2024 |
| Quarter-finals | Lavizzari M./Pecak S. | Fomin S./Verbin P. | 0:2 (5:7, 4:6) | details | 04.04.2024 |
| 1/8-finals | Chepelev A./Kalennik K. | Fomin S./Verbin P. | 0:2 (5:7, 2:6) | details | 03.04.2024 |
| Turkey: M15 Antalya 8 - Doubles - Main |
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| 1/8-finals | Lane L./Zima L. | Arutiunian E./Fomin S. | CAN. | details | 27.03.2024 |
| Kazakhstan: M15 Aktobe 2 - Doubles - Main |
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| Semi-finals | Fomin S./Milushev A. | Agafonov E./Simakin I. | 0:2 (5:7, 1:6) | details | 15.03.2024 |
| Quarter-finals | Mokrov A./Safonov A. | Fomin S./Milushev A. | 0:2 (1:6, 64:7) | details | 14.03.2024 |
| 1/8-finals | Fomin S./Milushev A. | Lomakin G./Philippov E. | 2:0 (6:3, 6:3) | details | 12.03.2024 |
| Kazakhstan: M15 Aktobe - Doubles - Main |
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| Quarter-finals | Fomin S./Khazime D. | Verbin P./Visker N. | 0:2 (4:6, 3:6) | details | 07.03.2024 |
| 1/8-finals | Fomin S./Khazime D. | Chepik A./Ibragimov D. | 2:1 (5:7, 7:5, 11:9) | details | 05.03.2024 |
 Portugal: M25 Vila Real de Santo Antonio - Doubles - Main |
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| 1/8-finals | Fomin S./Sultanov K. | Araujo P./Pereira T. | 0:2 (4:6, 4:6) | details | 17.02.2024 |
 World: Davis Cup - World Group I - Doubles - Preliminary |
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| | Fomin S./Sultanov K. | Hurkacz H./Zielinski J. | 0:2 (61:7, 4:6) | details | 03.02.2024 |
| | Fomin S./Shin M. | Hurkacz H./Zielinski J. | CAN. | details | 03.02.2024 |
North Macedonia: Skopje - Singles - Main