# 1990 Tokyo Indoor – Singles

Aaron Krickstein was the defending champion, but lost in the second round this year.
Ivan Lendl won the title, defeating Boris Becker in the final, 4–6, 6–3, 7–6$^{(7–5)}$.

## Seeds

* Stefan Edberg (semifinals)
* Boris Becker (final)
* Ivan Lendl (champion)
* Andrés Gómez (second round)
* Aaron Krickstein (second round)
* Guy Forget (third round)
* Michael Chang (second round)
* Richard Fromberg (second round)
* Jakob Hlasek (quarterfinals)
* Andrei Cherkasov (quarterfinals)
* Richey Reneberg (semifinals)
* David Wheaton (third round)
* Wally Masur (third round)
* Carl-Uwe Steeb (second round)
* Tim Mayotte (second round)
* Darren Cahill (third round)

## 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 | Final | Final | Final | Final | Final |
| 1 | Stefan Edberg | 5 | 3 | | | | | |
| 3 | Ivan Lendl | 7 | 6 | | | | | |
| 3 | Ivan Lendl | 7 | 6 | 3 | Ivan Lendl | 4 | 6 | 7$^7$ |
| | | | | 2 | Boris Becker | 6 | 3 | 6$^5$ |
| 11 | Richey Reneberg | 6$^1$ | 2 | 2 | Boris Becker | 6 | 3 | 6$^5$ |
| 2 | Boris Becker | 7$^7$ | 6 | | | | | |

### Top half
#### Section 1

| First round | First round | First round | First round | Second round | Second round | Second round | Second round | Second round | Third round | Third round | Third round | Third round | Quarterfinals | Quarterfinals | Quarterfinals | Quarterfinals | Quarterfinals |
| | | | | 1 | S Edberg | 6 | 6 | | | | | | | | | | |
| | T Woodbridge | 6 | 7 | | T Woodbridge | 3 | 1 | | | | | | | | | | |
| WC | E Furusho | 3 | 6 | | | | | | 1 | S Edberg | 6 | 6 | | | | | |
| Q | S Youl | 3 | 6 | | | | | | 16 | D Cahill | 4 | 2 | | | | | |
| | P Kühnen | 6 | 7 | | P Kühnen | 4 | 3 | | | | | | | | | | |
| | | | | 16 | D Cahill | 6 | 6 | | | | | | | | | | |
| | | | | | | | | | | | | | 1 | S Edberg | 6 | 3 | 7$^8$ |
| | | | | | | | | | | | | | 9 | J Hlasek | 4 | 6 | 6$^6$ |
| | | | | 9 | J Hlasek | 4 | 6 | 6 | | | | | | | | | |
| | J Grabb | 3 | 4 | | P Haarhuis | 6 | 0 | 3 | | | | | | | | | |
| | P Haarhuis | 6 | 6 | | | | | | 9 | J Hlasek | 6 | 6 | | | | | |
| | K Evernden | 3 | 4 | | | | | | Q | B Garrow | 4 | 4 | | | | | |
| Q | B Garrow | 6 | 6 | Q | B Garrow | 3 | 6 | 7 | | | | | | | | | |
| | | | | 8 | R Fromberg | 6 | 3 | 6 | | | | | | | | | |

#### Section 2

| First round | First round | First round | First round | First round | Second round | Second round | Second round | Second round | Third round | Third round | Third round | Third round | Third round | Quarterfinals | Quarterfinals | Quarterfinals | Quarterfinals |
| | | | | | 3 | I Lendl | 6 | 7 | | | | | | | | | |
| WC | S Matsuoka | 7 | 6 | r | | M Woodforde | 2 | 6 | | | | | | | | | |
| | M Woodforde | 6 | 7 | | | | | | 3 | I Lendl | 6 | 3 | 6 | | | | |
| | D Rostagno | 7 | 6 | | | | | | 13 | W Masur | 4 | 6 | 3 | | | | |
| | G Connell | 6 | 4 | | | D Rostagno | 4 | 4 | | | | | | | | | |
| | | | | | 13 | W Masur | 6 | 6 | | | | | | | | | |
| | | | | | | | | | | | | | | 3 | I Lendl | 7$^7$ | 6 |
| | | | | | | | | | | | | | | | S Davis | 6$^0$ | 2 |
| | | | | | 12 | D Wheaton | 7 | 6 | | | | | | | | | |
| | P Chamberlin | 5 | 2 | | Q | A Rahunen | 5 | 4 | | | | | | | | | |
| Q | A Rahunen | 7 | 6 | | | | | | 12 | D Wheaton | 4 | 6 | | | | | |
| | S Davis | 7 | 7 | | | | | | | S Davis | 6 | 7 | | | | | |
| | M Kratzmann | 5 | 6 | | | S Davis | 6 | 6 | | | | | | | | | |
| | | | | | 5 | A Krickstein | 3 | 1 | | | | | | | | | |

### Bottom half
#### Section 3

| First round | First round | First round | First round | First round | Second round | Second round | Second round | Second round | Second round | Third round | Third round | Third round | Third round | Third round | Quarterfinals | Quarterfinals | Quarterfinals | Quarterfinals |
| | | | | | 6 | G Forget | 6 | 6 | 6 | | | | | | | | | |
| | B Pearce | 6 | 6 | 6 | | B Pearce | 7 | 3 | 3 | | | | | | | | | |
| | D Goldie | 7 | 4 | 3 | | | | | | 6 | G Forget | 6 | 6 | | | | | |
| | J Stoltenberg | 4 | | | | | | | | 11 | R Reneberg | 7 | 7 | | | | | |
| | P Lundgren | 3$^r$ | | | | J Stoltenberg | 1 | 4 | | | | | | | | | | |
| | | | | | 11 | R Reneberg | 6 | 6 | | | | | | | | | | |
| | | | | | | | | | | | | | | | 11 | R Reneberg | 6 | 6 |
| | | | | | | | | | | | | | | | Q | T Högstedt | 3 | 2 |
| | | | | | 14 | C-U Steeb | 3 | 6 | 5 | | | | | | | | | |
| | K Jones | 4 | 4 | | | E Jelen | 6 | 3 | 7 | | | | | | | | | |
| | E Jelen | 6 | 6 | | | | | | | | E Jelen | 6 | 4 | 2 | | | | |
| Q | T Högstedt | 7 | 7 | | | | | | | Q | T Högstedt | 4 | 6 | 6 | | | | |
| | B Shelton | 6 | 6 | | Q | T Högstedt | 6 | 6 | | | | | | | | | | |
| | | | | | 4 | A Gómez | 4 | 4 | | | | | | | | | | |

#### Section 4

| First round | First round | First round | First round | First round | Second round | Second round | Second round | Second round | Second round | Third round | Third round | Third round | Third round | Quarterfinals | Quarterfinals | Quarterfinals | Quarterfinals |
| | | | | | 7 | M Chang | 6 | 6 | 4 | | | | | | | | |
| | P Cash | 6 | 7 | | | P Cash | 3 | 7 | 6 | | | | | | | | |
| | N Kroon | 2 | 6 | | | | | | | | P Cash | 6 | 3 | | | | |
| Q | R Leach | 7 | 7 | | | | | | | 10 | A Cherkasov | 7 | 6 | | | | |
| Q | D Pate | 6 | 6 | | Q | R Leach | 1 | 4 | | | | | | | | | |
| | | | | | 10 | A Cherkasov | 6 | 6 | | | | | | | | | |
| | | | | | | | | | | | | | | 10 | A Cherkasov | 4 | 4 |
| | | | | | | | | | | | | | | 2 | B Becker | 6 | 6 |
| | | | | | 15 | T Mayotte | 6 | 6 | 4 | | | | | | | | |
| WC | K Masuda | 2 | 3 | | | T Witsken | 2 | 7 | 6 | | | | | | | | |
| | T Witsken | 6 | 6 | | | | | | | | T Witsken | 2 | 3 | | | | |
| WC | R Tsujino | 2 | 7 | 6 | | | | | | 2 | B Becker | 6 | 6 | | | | |
| | J Rive | 6 | 6 | 4 | WC | R Tsujino | 4 | 6 | | | | | | | | | |
| | | | | | 2 | B Becker | 6 | 7 | | | | | | | | | |