13–14Win–Loss
48.1%Win %
0Titles
| Surface | W | L | % |
|---|---|---|---|
| Hard | 11 | 12 | 47.8% |
| Clay | 2 | 2 | 50.0% |
Season by season
| Year | W | L | Titles | % |
|---|---|---|---|---|
| 1990 | 0 | 1 | 0 | 0.0% |
| 1989 | 4 | 5 | 0 | 44.4% |
| 1988 | 2 | 4 | 0 | 33.3% |
| 1987 | 3 | 1 | 0 | 75.0% |
| 1986 | 2 | 1 | 0 | 66.7% |
| 1984 | 0 | 1 | 0 | 0.0% |
| 1983 | 2 | 1 | 0 | 66.7% |
Ranking history
Matches
| Date | Tournament | Round | W/L | Opponent | Opp. rank | Score |
|---|---|---|---|---|---|---|
| 1990-04-23 | Nagoya CH | R32 | L | Roger Smith | 273 | 6-1 6-3 |
| 1989-11-01 | Beijing CH | QF | L | Bong Soo Kim | 183 | 5-1 RET |
| 1989-11-01 | Beijing CH | R16 | W | Lui Pang | 1091 | 6-4 6-1 |
| 1989-11-01 | Beijing CH | R32 | W | Scott Brown | 676 | 6-2 6-0 |
| 1989-07-21 | Davis Cup WG PO: KOR vs ISR | RR | L | Amos Mansdorf | 19 | 7-5 6-3 |
| 1989-07-21 | Davis Cup WG PO: KOR vs ISR | RR | L | Gilad Bloom | 202 | 6-4 6-2 6-4 |
| 1989-04-26 | Nagoya CH | R16 | L | Jonathan Canter | 138 | 6-3 6-1 |
| 1989-04-26 | Nagoya CH | R32 | W | Tsuyoshi Fukui | 455 | 6-3 7-6 |
| 1989-04-07 | Davis Cup G1 QF: JPN vs KOR | RR | W | Haruo Nakano | 868 | 6-3 6-4 6-2 |
| 1989-04-07 | Davis Cup G1 QF: JPN vs KOR | RR | L | Toshihisa Tsuchihashi | 556 | 6-4 6-4 6-4 |
| 1988-11-09 | Guangzhou CH | R16 | L | Steve Devries | 299 | 7-6 6-2 |
| 1988-11-09 | Guangzhou CH | R32 | W | Ke Qin Ma | 920 | 7-6 6-4 |
| 1988-09-20 | Seoul Olympics | R64 | L | Tim Mayotte | 10 | 6-3 6-3 6-4 |
| 1988-07-22 | Davis Cup G1 F: INA vs KOR | RR | L | Suharyadi Suharyadi | 331 | 6-2 6-2 1-6 4-6 6-4 |
| 1988-04-18 | Seoul | R16 | L | John Fitzgerald | 28 | 7-6 6-1 |
| 1988-04-18 | Seoul | R32 | W | John Letts | 359 | 6-3 2-6 6-3 |
| 1987-07-24 | Davis Cup WG PO: KOR vs ITA | RR | W | Claudio Panatta | 202 | 6-1 6-8 3-6 6-2 6-2 |
| 1987-07-24 | Davis Cup WG PO: KOR vs ITA | RR | W | Paolo Cane | 51 | 10-8 3-6 6-4 6-4 |
| 1987-04-20 | Seoul | R16 | L | Michiel Schapers | 92 | 7-5 4-6 6-2 |
| 1987-04-20 | Seoul | R32 | W | Bob Green | 233 | 6-7 6-3 6-4 |
| 1986-10-06 | Davis Cup G2 F: KOR vs JPN | RR | L | Tsuyoshi Fukui | 355 | 6-3 6-3 |
| 1986-10-06 | Davis Cup G2 F: KOR vs JPN | RR | W | Shozo Shiraishi | 396 | 6-4 6-2 6-4 |
| 1986-07-18 | Davis Cup G1 SF: KOR vs THA | RR | W | Vittaya Samrej | – | 6-1 6-2 |
| 1984-03-02 | Davis Cup Eastern QF: CHN vs KOR | RR | L | Wei You | – | 7-5 6-1 4-6 3-6 6-3 |
| 1983-05-06 | Davis Cup G2 SF: JPN vs KOR | RR | W | Hitoshi Shirato | 523 | 7-5 7-5 |
| 1983-05-06 | Davis Cup G2 SF: JPN vs KOR | RR | L | Tsuyoshi Fukui | 177 | 2-6 6-2 6-1 7-5 |
| 1983-03-04 | Davis Cup AOC QF: KOR vs PHI | RR | W | Manuel Valleramos | – | 6-2 6-2 |