Bucharest 
Barcelona 
Oeiras 
San Miguel de Tucuman 
Acapulco 
Gwangju Challenger 
Tallahassee 
Davis Сup Group I Tennis. Played Fomin Sergey. Season 2023
Country 
Uzbekistan. Ranking ATP 642.
Uzbekistan. Ranking ATP 642. Istanbul | ||||
|---|---|---|---|---|
| 03.09.2023 | Qualifications - 1st round | Fomin Sergey — Oliel Yshai | 1:2 (6:3, 3:6, 2:6) |
|
 Zhuhai Challenger | ||||
| 22.08.2023 | First round | Berankis Ricardas — Fomin Sergey | 2:1 (3:6, 6:0, 6:3) |
|
 Troisdorf | ||||
| 28.05.2023 | Qualifications - 1st round | Nagal Sumit — Fomin Sergey | 2:0 (6:1, 6:1) |
|
 Szekesfehervar | ||||
| 13.03.2023 | Qialification final | Hassan Benjamin — Fomin Sergey | 2:0 (6:4, 6:2) |
|
| Antalya | ||||
| 05.03.2023 | Qualifications - 1st round | Ferrari Gianmarco — Fomin Sergey | 2:0 (6:1, 6:0) |
|
 Cherbourg | ||||
| 12.02.2023 | Qualifications - 1st round | Tatlot Johan Sebastien — Fomin Sergey | 2:0 (6:1, 6:4) |
|
 Nonthaburi 1 | ||||
| 01.01.2023 | Qualifications - 1st round | Kelly Dayne — Fomin Sergey | 2:1 (6:1, 4:6, 6:2) |
|