Tennis was contested at the 1998 Asian Games in Bangkok, Thailand from 8 to 18 December 1998. Tennis had team, doubles, and singles events for men and women, as well as a mixed doubles competition.
South Korea finished first in the medal table winning two gold medals.
Schedule
| P | Preliminary rounds | ¼ | Quarterfinals | ½ | Semifinals | F | Final |
| Event↓/Date → | 8th Tue |
9th Wed |
10th Thu |
11th Fri |
12th Sat |
13th Sun |
14th Mon |
15th Tue |
16th Wed |
17th Thu |
18th Fri |
|---|---|---|---|---|---|---|---|---|---|---|---|
| Men's singles | P | P | ¼ | ¼ | ½ | F | |||||
| Men's doubles | P | P | ¼ | ½ | F | ||||||
| Men's team | P | ¼ | ¼ | ½ | F | ||||||
| Women's singles | P | P | ¼ | ¼ | ½ | F | |||||
| Women's doubles | P | ¼ | ¼ | ½ | ½ | F | |||||
| Women's team | ¼ | ¼ | ½ | F | |||||||
| Mixed doubles | P | P | ¼ | ½ | F |
Medalists
Medal table
| Rank | Nation | Gold | Silver | Bronze | Total |
|---|---|---|---|---|---|
| 1 |  South Korea (KOR) | 2 | 3 | 0 | 5 |
| 2 |  Japan (JPN) | 1 | 2 | 3 | 6 |
| 3 |  China (CHN) | 1 | 1 | 4 | 6 |
| 4 |  Thailand (THA) | 1 | 1 | 0 | 2 |
| 5 |  Chinese Taipei (TPE) | 1 | 0 | 1 | 2 |
 Indonesia (INA) | 1 | 0 | 1 | 2 | |
| 7 |  India (IND) | 0 | 0 | 4 | 4 |
| 8 |  Uzbekistan (UZB) | 0 | 0 | 1 | 1 |
| Totals (8 entries) | 7 | 7 | 14 | 28 | |
Participating nations
- China (8)
- Chinese Taipei (12)
Hong Kong (3)- India (9)
- Indonesia
Iran (3)- Japan (9)
Kazakhstan (2)
Kuwait (3)
Lebanon (2)
Mongolia (1)
Pakistan (5)
Philippines (4)
Qatar- South Korea (10)
- Thailand (9)
- Uzbekistan
