# 1988 Tokyo Indoor – Singles

Stefan Edberg was the defending champion, but lost in the semifinals this year.
Boris Becker won the tournament, beating John Fitzgerald in the final, 7–6$^{(7–4)}$, 6–4.

## Seeds

* Stefan Edberg (semifinals)
* Boris Becker (champion)
* Andrés Gómez (quarterfinals)
* Darren Cahill (first round)
* Jay Berger (first round)
* John Fitzgerald (final)
* Slobodan Živojinović (second round)
* Dan Goldie (second 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 |
| 1 | Stefan Edberg | 6 | 0 | | | | |
| 6 | John Fitzgerald | 7 | 6 | | | | |
| 6 | John Fitzgerald | 7 | 6 | 6 | John Fitzgerald | 6 | 4 |
| | | | | 2 | Boris Becker | 7 | 6 |
| | Richard Matuszewski | 6 | 1 | 2 | Boris Becker | 7 | 6 |
| 2 | Boris Becker | 7 | 6 | | | | |

### 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 | Quarterfinals | Semifinals | Semifinals | Semifinals | Semifinals |
| 1 | S Edberg | 6 | 6 | | | | | | | | | | | | | | | |
| | T Nelson | 2 | 2 | | 1 | S Edberg | 6 | 7 | | | | | | | | | | |
| | K Evernden | 7 | 3 | 6 | | C Pridham | 1 | 5 | | | | | | | | | | |
| | C Pridham | 6 | 6 | 7 | | | | | | 1 | S Edberg | 7 | 6 | | | | | |
| Q | P Chamberlin | 6 | 6 | | | | | | | Q | P Chamberlin | 5 | 2 | | | | | |
| LL | J Sobel | 1 | 2 | | Q | P Chamberlin | 6 | 3 | 6 | | | | | | | | | |
| WC | T Tsuchihashi | 5 | 3 | | 7 | S Živojinović | 4 | 6 | 3 | | | | | | | | | |
| 7 | S Živojinović | 7 | 6 | | | | | | | | | | | | 1 | S Edberg | 6 | 0 |
| 3 | A Gómez | 6 | 6 | | | | | | | | | | | | 6 | J Fitzgerald | 7 | 6 |
| | J Rive | 4 | 4 | | 3 | A Gómez | 7 | 6 | | | | | | | | | | |
| | A Volkov | 7 | 6 | | | A Volkov | 5 | 4 | | | | | | | | | | |
| Q | J Bailey | 5 | 1 | | | | | | | 3 | A Gómez | 3 | 6 | 5 | | | | |
| Q | R Van't Hof | 6 | 3 | 6 | | | | | | 6 | J Fitzgerald | 6 | 3 | 7 | | | | |
| | B Dyke | 2 | 6 | 4 | Q | R Van't Hof | 3 | 6 | | | | | | | | | | |
| | K Flach | 4 | 0 | | 6 | J Fitzgerald | 6 | 7 | | | | | | | | | | |
| 6 | J Fitzgerald | 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 | Semifinals | Semifinals | Semifinals | Semifinals |
| 5 | J Berger | 6 | 3 | | | | | | | | | | | | | | |
| | R Matuszewski | 7 | 6 | | | R Matuszewski | 6 | 7 | | | | | | | | | |
| | S Giammalva Jr. | 7 | 6 | | | S Giammalva Jr. | 3 | 5 | | | | | | | | | |
| | J Yzaga | 5 | 4 | | | | | | | | R Matuszewski | 6 | 6 | | | | |
| Q | T Pawsat | 3 | 7 | 5 | | | | | | WC | S Matsuoka | 4 | 4 | | | | |
| | M Davis | 6 | 6 | 7 | | M Davis | 5 | 6 | | | | | | | | | |
| WC | S Matsuoka | 7 | 6 | | WC | S Matsuoka | 7 | 7 | | | | | | | | | |
| 4 | D Cahill | 6 | 1 | | | | | | | | | | | | R Matuszewski | 6 | 1 |
| 8 | D Goldie | 4 | 6 | 6 | | | | | | | | | | 2 | B Becker | 7 | 6 |
| | J Frawley | 6 | 4 | 3 | 8 | D Goldie | 3 | 4 | | | | | | | | | |
| | A Olhovskiy | 3 | 2 | | | E Jelen | 6 | 6 | | | | | | | | | |
| | E Jelen | 6 | 6 | | | | | | | | E Jelen | 2 | 1 | | | | |
| | M Woodforde | 3 | 5 | | | | | | | 2 | B Becker | 6 | 6 | | | | |
| | C-U Steeb | 6 | 7 | | | C-U Steeb | 7 | 1 | 2 | | | | | | | | |
| | R Seguso | 4 | 3 | | 2 | B Becker | 6 | 6 | 6 | | | | | | | | |
| 2 | B Becker | 6 | 6 | | | | | | | | | | | | | | |