4–6Win–Loss
40.0%Win %
0Titles
| Surface | W | L | % |
|---|---|---|---|
| Unknown | 4 | 5 | 44.4% |
| Clay | 0 | 1 | 0.0% |
Season by season
| Year | W | L | Titles | % |
|---|---|---|---|---|
| 1975 | 1 | 1 | 0 | 50.0% |
| 1974 | 2 | 1 | 0 | 66.7% |
| 1973 | 1 | 1 | 0 | 50.0% |
| 1972 | 0 | 2 | 0 | 0.0% |
| 1971 | 0 | 1 | 0 | 0.0% |
Ranking history
Matches
| Date | Tournament | Round | W/L | Opponent | Opp. rank | Score |
|---|---|---|---|---|---|---|
| 1975-10-01 | Davis Cup G1 PR: INA vs KOR | RR | L | Atet Wijono | – | 6-2 6-4 9-7 |
| 1975-10-01 | Davis Cup G1 PR: INA vs KOR | RR | W | Gondo Widjojo | – | 3-6 6-1 9-7 6-2 |
| 1974-11-16 | Davis Cup G1 PR: VIE vs KOR | RR | W | Duy Bao Ta | – | 6-3 8-6 3-6 6-4 |
| 1974-11-16 | Davis Cup G1 PR: VIE vs KOR | RR | W | Van Thanh Vo | – | 5-7 6-4 3-6 6-3 6-1 |
| 1974-04-05 | Davis Cup G2 PR: JPN vs KOR | RR | L | Kenichi Hirai | 237 | 6-4 6-4 6-4 |
| 1973-03-23 | Davis Cup G2 PR: KOR vs JPN | RR | L | Jun Kuki | – | 7-5 7-5 6-0 |
| 1973-03-23 | Davis Cup G2 PR: KOR vs JPN | RR | W | Jun Kamiwazumi | – | 8-6 6-1 6-4 |
| 1972-04-14 | Davis Cup AME SF: KOR vs AUS | RR | L | Mal Anderson | – | 6-2 6-2 6-2 |
| 1972-04-14 | Davis Cup AME SF: KOR vs AUS | RR | L | Colin Dibley | – | 6-1 4-6 6-4 6-3 |
| 1971-05-08 | Davis Cup AFR QF: MEX vs KOR | RR | L | Marcello Lara | – | 6-2 6-2 6-2 |