# 1990 Kremlin Cup – Singles

Andrei Cherkasov won in the final 6–2, 6–1, against Tim Mayotte and with this he became the first winner of the Kremlin Cup.

## Seeds

* Andrés Gómez (first round)
* Emilio Sánchez (quarterfinals)
* Magnus Gustafsson (first round)
* Richey Reneberg (second round)
* Alexander Volkov (quarterfinals)
* Marc Rosset (second round)
* David Wheaton (second round)
* Andrei Cherkasov (champion)

## Draw
### Key

* Q = Qualifier
* WC = Wild card
* LL = Lucky loser
* Alt = Alternate
* SE = Special exempt
* PR = Protected ranking
* ITF = ITF entry
* JE = Junior exempt
* w/o = Walkover
* r = Retired
* d = Defaulted
* SR = Special ranking

### Finals

| Semifinals | Semifinals | Semifinals | Semifinals | Semifinals | Final | Final | Final | Final |
| | Petr Korda | 6 | 6 | 3 | | | | |
| | Tim Mayotte | 7 | 3 | 6 | | | | |
| | Tim Mayotte | 7 | 3 | 6 | | Tim Mayotte | 2 | 1 |
| | | | | | 8 | Andrei Cherkasov | 6 | 6 |
| | Udo Riglewski | 1 | 6 | | 8 | Andrei Cherkasov | 6 | 6 |
| 8 | Andrei Cherkasov | 6 | 7 | | | | | |

### Top half

| First round | First round | First round | First round | First round | Second round | Second round | Second round | Second round | Second round | Quarterfinals | Quarterfinals | Quarterfinals | Quarterfinals | Semifinals | Semifinals | Semifinals | Semifinals |
| 1 | A Gómez | 2 | 4 | | | | | | | | | | | | | | |
| | J Gunnarsson | 6 | 6 | | | J Gunnarsson | 1 | 7 | 2 | | | | | | | | |
| | P Korda | 7 | 6 | | | P Korda | 6 | 6 | 6 | | | | | | | | |
| | W Masur | 5 | 4 | | | | | | | | P Korda | 7 | 7 | | | | |
| WC | A Järryd | 6 | 6 | | | | | | | WC | A Järryd | 5 | 6 | | | | |
| | M Stich | 2 | 0 | | WC | A Järryd | 6 | 7 | | | | | | | | | |
| | E Jelen | 3 | 0 | | 7 | D Wheaton | 3 | 5 | | | | | | | | | |
| 7 | D Wheaton | 6 | 6 | | | | | | | | | | | P Korda | 6 | 6 | 3 |
| 3 | M Gustafsson | 6 | 6 | 5 | | | | | | | | | | T Mayotte | 7 | 3 | 6 |
| | T Mayotte | 4 | 7 | 7 | | T Mayotte | 6 | 7 | | | | | | | | | |
| | P Kühnen | 7 | 6 | | | P Kühnen | 3 | 6 | | | | | | | | | |
| | G Layendecker | 6 | 1 | | | | | | | | T Mayotte | 6 | 6 | | | | |
| WC | A Mronz | 6 | 6 | | | | | | | 5 | A Volkov | 3 | 2 | | | | |
| | M Šrejber | 3 | 4 | | WC | A Mronz | 2 | 6 | 4 | | | | | | | | |
| WC | A Medvedev | 4 | 3 | | 5 | A Volkov | 6 | 3 | 6 | | | | | | | | |
| 5 | A Volkov | 6 | 6 | | | | | | | | | | | | | | |

### Bottom half

| First round | First round | First round | First round | First round | Second round | Second round | Second round | Second round | Second round | Quarterfinals | Quarterfinals | Quarterfinals | Quarterfinals | Quarterfinals | Semifinals | Semifinals | Semifinals | Semifinals |
| 6 | M Rosset | 7 | 6 | | | | | | | | | | | | | | | |
| | J Sánchez | 6 | 4 | | 6 | M Rosset | 4 | 3 | | | | | | | | | | |
| Q | S Casal | 4 | 7 | 7 | Q | S Casal | 6 | 6 | | | | | | | | | | |
| Q | T Högstedt | 6 | 5 | 6 | | | | | | Q | S Casal | 6 | 6 | 3 | | | | |
| | U Riglewski | 7 | 6 | 6 | | | | | | | U Riglewski | 4 | 7 | 6 | | | | |
| | B Shelton | 6 | 7 | 2 | | U Riglewski | 1 | 6 | 6 | | | | | | | | | |
| Q | J Fitzgerald | 5 | 2 | | 4 | R Reneberg | 6 | 3 | 2 | | | | | | | | | |
| 4 | R Reneberg | 7 | 6 | | | | | | | | | | | | | U Riglewski | 1 | 6 |
| 8 | A Cherkasov | 6 | 6 | | | | | | | | | | | | 8 | A Cherkasov | 6 | 7 |
| | A Mansdorf | 2 | 0 | | 8 | A Cherkasov | 6 | 6 | | | | | | | | | | |
| | G Bloom | 7 | 6 | | | G Bloom | 3 | 3 | | | | | | | | | | |
| Q | A Olhovskiy | 5 | 2 | | | | | | | 8 | A Cherkasov | 6 | 6 | | | | | |
| | V Paloheimo | 6 | 6 | | | | | | | 2 | E Sánchez | 3 | 3 | | | | | |
| | P Haarhuis | 2 | 4 | | | V Paloheimo | 6 | 5 | 2 | | | | | | | | | |
| | F Clavet | 7 | 2 | 6 | 2 | E Sánchez | 2 | 7 | 6 | | | | | | | | | |
| 2 | E Sánchez | 5 | 6 | 7 | | | | | | | | | | | | | | |