| Wikipedia | Eng / Fr | Previous events | Kremlin Cup |
| DEADLINE (UTC+2) | 2021-10-18 13:30:28 | Category / CUT | ATP 250 / 28 |
| Location | Moscow  |
Tennis court / Conditions | Hard (in.) |
| Dates | 2021-10-18 - 2021-10-24 | Prize Money | 697 125 USD |
| Winners |
Aslan Karatsev siggy |
Ratio BWW | 66.7 % (18/27) |
Unlucky loser : Tipsytime - (2022-01-16 10:43)
“ I did not play that much in last couple of months, so this i s expected. Great achievement. Again. 🤩 ”
Winner : siggy - (2021-10-26 00:24)
“ Amazing! This is my first win! I would like to dedicate this win to my fans who have been amazing! I couldn't do it without you...and the sponsors who pay me millions! ”
Runner-up : LeTennis - (2021-10-24 18:02)
“ Enfin un bon résultat, dommage que ce soit en 250 mais cela reste une finale qui fait plaisir ! Bravo au vainqueur qui avait trouvé le bon vainqueur et le bon finaliste :) ”
(26) Adunar - anekfu - backhandpass - crush - Drivers - Dulo40 - Energyx17 - EvilScootus - ezequiel2014 - FabulFab - GollumRF - grandje - kayoo83 - LeTennis - Makanaki - Monkie - nitsuj - pmaister - Sim - siggy - srematias - ThePunisher - Tipsytime - Tono - tib1211 - tib_os -