| Men's singles | |
|---|---|
| 1990 OTB International Open | |
| Champion |  Ramesh Krishnan |
| Runner-up |  Kelly Evernden |
| Score | 6–1, 6–1 |
| Draw | 28 (3WC/4Q/1LL) |
| Seeds | 8 |
Simon Youl was the defending champion, but did not participate this year.
Ramesh Krishnan won the tournament, beating Kelly Evernden in the final, 6–1, 6–1. [1]
The top four seeds received a bye into the second round.
Martín Jaite (semifinals)
Amos Mansdorf (quarterfinals)
Jaime Yzaga (second round) Alberto Mancini (second round)
Milan Šrejber (second round)
Aki Rahunen (first round) Kelly Evernden (final)
Derrick Rostagno (first round)| Semifinals | Final | ||||||||||||
| 1 | Martín Jaite | 6 | 3 | 5 | |||||||||
| Ramesh Krishnan | 1 | 6 | 7 | ||||||||||
| Ramesh Krishnan | 6 | 6 | |||||||||||
| 7 | Kelly Evernden | 1 | 1 | ||||||||||
| Brad Pearce | 2 | 6 | 4 | ||||||||||
| 7 | Kelly Evernden | 6 | 3 | 6 | |||||||||
| First round | Second round | Quarterfinals | Semifinals | ||||||||||||||||||||||||
| 1 | M Jaite | 7 | 7 | ||||||||||||||||||||||||
 J Anderson | 4 | 4 |  F Santoro | 5 | 5 | ||||||||||||||||||||||
| F Santoro | 6 | 6 | 1 | M Jaite | 4 | 7 | 6 | ||||||||||||||||||||
| T Benhabiles | 3 | 3 | Q |  A Olhovskiy | 6 | 5 | 4 | ||||||||||||||||||||
| Q | A Olhovskiy | 6 | 6 | Q | A Olhovskiy | 2 | 6 | 6 | |||||||||||||||||||
 G Connell | 6 | G Connell | 6 | 4 | 2 | ||||||||||||||||||||||
| 8 | D Rostagno | 4 | r | 1 | M Jaite | 6 | 3 | 5 | |||||||||||||||||||
| R Krishnan | 1 | 6 | 7 | ||||||||||||||||||||||||
| 4 | A Mancini | 1 | 4 | ||||||||||||||||||||||||
| LL | M Briggs | 7 | 3 | 4 | WC | C Adams | 6 | 6 | |||||||||||||||||||
| WC | C Adams | 5 | 6 | 6 | WC | C Adams | 3 | 1 | |||||||||||||||||||
| R Krishnan | 6 | 6 | R Krishnan | 6 | 6 | ||||||||||||||||||||||
| WC | J Kodeš Jr. | 0 | 4 | R Krishnan | 6 | 4 | 6 | ||||||||||||||||||||
| T Champion | 7 | 3 | 6 | 5 | M Šrejber | 3 | 6 | 4 | |||||||||||||||||||
| 5 | M Šrejber | 5 | 6 | 7 | |||||||||||||||||||||||
| First round | Second round | Quarterfinals | Semifinals | ||||||||||||||||||||||||
| 6 | A Rahunen | 4 | 4 | ||||||||||||||||||||||||
| Q | S Guy | 6 | 6 | Q | S Guy | 5 | 6 | 6 | |||||||||||||||||||
| Q | G Raoux | 1 | 4 | M Střelba | 7 | 4 | 4 | ||||||||||||||||||||
| M Střelba | 6 | 6 | Q | S Guy | 5 | 63 | |||||||||||||||||||||
| B Pearce | 6 | 7 | B Pearce | 7 | 77 | ||||||||||||||||||||||
 T Högstedt | 2 | 5 | B Pearce | 6 | 6 | ||||||||||||||||||||||
| 3 | J Yzaga | 3 | 3 | ||||||||||||||||||||||||
| B Pearce | 2 | 6 | 4 | ||||||||||||||||||||||||
| 7 | K Evernden | 6 | 4 | 6 | 7 | K Evernden | 6 | 3 | 6 | ||||||||||||||||||
| Q | D Goldberg | 4 | 6 | 2 | 7 | K Evernden | 5 | 7 | 7 | ||||||||||||||||||
| WC |  D Montes de Oca | 2 | 5 |  J Bates | 7 | 6 | 6 | ||||||||||||||||||||
| J Bates | 6 | 7 | 7 | K Evernden | 7 | 77 | |||||||||||||||||||||
| M Woodforde | 6 | 7 | 2 | A Mansdorf | 5 | 65 | |||||||||||||||||||||
 P Kühnen | 1 | 6 | M Woodforde | 6 | 3 | ||||||||||||||||||||||
| 2 | A Mansdorf | 7 | 6 | ||||||||||||||||||||||||
Mats Wilander defeated Pat Cash in the final, 6–3, 6–7(3–7), 3–6, 6–1, 8–6 to win the men's singles tennis title at the 1988 Australian Open.
Ramesh Krishnan was the defending champion but lost in the semifinals to Scott Davis.
Kelly Evernden and Todd Witsken were the defending champions but they competed with different partners that year, Evernden with Nicolás Pereira and Witsken with Jorge Lozano.
Boris Becker was the defending champion and won in the final 6–1, 3–6, 6–3 against Stefan Edberg.
Ramesh Krishnan was the defending champion but lost in the first round to Patrick Baur.
Kelly Evernden was the defending champion but lost in the first round to Lars-Anders Wahlgren.
Paul Annacone and Christo van Rensburg were the defending champions. Annacone competed alongside Kelly Evernden but lost in the semifinals, while van Rensburg played with Kevin Curren and lost in the quarterfinals.
Darren Cahill and Mark Kratzmann won the title, defeating Udo Riglewski and Michael Stich 7–5, 6–2, in the final.
Brad Gilbert was the defending champion, but did not take part in the U.S. National Indoor tennis tournament that year.
Michael Stich clinched his first career singles title in the final, defeating Wally Masur 6–7(5–7), 6–4, 7–6(7–1).
Andre Agassi was the defending champion, but did not participate that year.
Brad Gilbert won the title, defeating Christo van Rensburg 6–2, 6–1, in the final.
Rick Leach and Jim Pugh were the defending champions, but lost in the semifinals to Grant Connell and Glenn Michibata.
Pieter Aldrich and Danie Visser won the title, defeating Connell and Michibata 6–4, 4–6, 6–1, 6–4, in the final.
Ramesh Krishnan was the defending champion, but lost in the first round this year.
This was the first edition of the Seoul Open.
Robert Van't Hof was the defending champion, but did not participate this year.
Andre Agassi was the defending champion, but did not participate this year.
Kelly Evernden and Brad Pearce were the defending champions, but did not participate together this year. Evernden partnered Brett Steven, losing in the semifinals. Pearce partnered David Rikl, losing in the first round.
Vijay Amritraj was the defending champion, but lost in the third round this year.
Kelly Evernden was the defending champion, but lost in the third round this year.
The men's doubles tournament at the 1988 US Open was held from August 29 to September 11, 1988, on the outdoor hard courts at the USTA National Tennis Center in New York City, United States. Sergio Casal and Emilio Sánchez won the title, defeating Rick Leach and Jim Pugh by walkover in the final.
The men's doubles tournament at the 1988 French Open was held from 23 May until 5 June 1988 on the outdoor clay courts at the Stade Roland Garros in Paris, France. Andrés Gómez and Emilio Sánchez won the title, defeating John Fitzgerald and Anders Järryd in the final.
Stefan Edberg was the defending champion, but lost in the third round to Jim Grabb.
The men's final, played first that Sunday afternoon, wasn't memorable, with India's Ramesh Krishnan easily dispatching New Zealand's Kelly Evernden, 6-1, 6-1.