| Event: | Men's singles |
| Games: | 1998 Asian Games |
| Venue: | Muang Thong Thani Tennis Centre |
| Dates: | 13–18 December 1998 |
| Competitors: | 27 |
| Nations: | 15 |
| Gold: | Yoon Yong-il |
| Goldnoc: | KOR |
| Silver: | Satoshi Iwabuchi |
| Silvernoc: | JPN |
| Bronze: | Mahesh Bhupathi |
| Bronzenoc: | IND |
| Bronze2: | Srinath Prahlad |
| Bronzenoc2: | IND |
| Prev: | 1994 |
| Next: | 2002 |
| Multi: | yes |
| Type: | mixed and team |
| Before Year: | no |
| After Year: | no |
See main article: Tennis at the 1998 Asian Games.
The men's singles tennis event was part of the tennis programme and took place between December 13 and 18, at the Muang Thong Thani Tennis Centre.
All times are Indochina Time
| width=220 | Date | width=50 | Time | width=100 | Event |
|---|---|---|---|---|---|
| Sunday, 13 December 1998 | 10:00 | 1st round | |||
| Monday, 14 December 1998 | 10:00 | 2nd round | |||
| Tuesday, 15 December 1998 | 10:00 | Quarterfinals | |||
| Wednesday, 16 December 1998 | 10:00 | Quarterfinals | |||
| Thursday, 17 December 1998 | 10:00 | Semifinals | |||
| Friday, 18 December 1998 | 10:00 | Final |