| Challenger Fujairah | 03/04 06:00 | 25 | Petr Bar Biryukov v Sergey Fomin | CANC | |
| Challenger Tenerife | 02/09 10:00 | 19 | Sergey Fomin v Sergio Callejon Hernando | 6-7,1-6 | |
| Challenger Tenerife Qual | 02/08 11:20 | 14 | [330] Sergey Fomin v Filip Peliwo [474] | 6-1,6-1 | |
| Challenger Tenerife | 02/03 10:00 | 25 |
[330] Sergey Fomin v
Stefano Travaglia
[178]
|
3-6,0-6 | |
| Challenger Manama | 01/27 08:00 | 19 |
[266] Dimitar Kuzmanov
v
Sergey Fomin [338] |
1-6,6-3,6-1 | |
| Challenger Manama | 01/26 10:15 | 14 | Enrico Baldisserri v Sergey Fomin | 1-6,2-6 | |
| Challenger Nonthaburi | 01/11 07:40 | 14 |
[340] Sergey Fomin v
Marek Gengel
[415]
|
3-6,1-6 | |
| Challenger Nonthaburi | 01/08 05:05 | 27 |
[340] Sergey Fomin v
Marek Gengel
[415]
|
1-6,4-6 | |
| Challenger Nonthaburi | 01/07 07:20 | 26 | [302] Robin Bertrand v Sergey Fomin [340] | 3-6,4-6 | |
| Challenger Nonthaburi | 01/06 03:00 | 25 | [340] Sergey Fomin v Renta Tokuda [322] | 7-5,3-6,7-5 | |
| Challenger Manama | 11/28 13:35 | 27 | [329] Toby Samuel v Sergey Fomin [358] | 6-4,6-2 | |
| Challenger Manama | 11/27 08:00 | 26 | Maximilian Homberg v Sergey Fomin | 0-6,6-7 |
Sergey Vladimirovich Fomin (Сергей Владимирович Фомин) (born 16 February 1958 in Saint Petersburg, Russia) is a Russian American mathematician who has made important contributions in combinatorics and its relations with algebra, geometry, and representation theory. Together with Andrei Zelevinsky, he introduced cluster algebras.