JY
Jin Sun Yoo
Last ranked
#872
Career high
#194
Overall record
10-9
Record by surface
Last 20 matches
| Date | Tournament | Round | Surface | Result | Opponent | Score |
|---|---|---|---|---|---|---|
| 1989-05-05 | Davis Cup G1 SF: IND vs KOR | Round Robin | Grass | W | Zeeshan Ali | 6-3 6-3 |
| 1989-05-05 | Davis Cup G1 SF: IND vs KOR | Round Robin | Grass | W | Srinivasan Vasudevan | 6-3 3-6 7-6(1) 6-4 |
| 1989-04-10 | Seoul | Round of 16 | Hard | L | John Fitzgerald | 7-6 7-5 |
| 1989-04-10 | Seoul | Round of 32 | Hard | W | Broderick Dyke | 2-6 6-1 7-6 |
| 1988-09-20 | Seoul Olympics | Round of 64 | Hard | L | Amos Mansdorf | 6-2 6-4 7-5 |
| 1988-07-22 | Davis Cup G1 F: INA vs KOR | Round Robin | Clay | W | Tintus Arianto Wibowo | 6-3 6-4 6-4 |
| 1988-04-18 | Seoul | Round of 16 | Hard | L | Eliot Teltscher | 3-6 6-3 6-2 |
| 1988-04-18 | Seoul | Round of 32 | Hard | W | Paul Chamberlin | 6-4 7-6 |
| 1987-07-24 | Davis Cup WG PO: KOR vs ITA | Round Robin | Hard | L | Claudio Panatta | 2-6 6-4 6-4 7-9 12-10 |
| 1987-04-20 | Seoul | Round of 32 | Hard | L | Bong Soo Kim | 6-2 6-4 |
| 1987-03-13 | Davis Cup WG R1: FRA vs KOR | Round Robin | Carpet | L | Thierry Tulasne | 6-3 4-6 6-3 |
| 1987-03-13 | Davis Cup WG R1: FRA vs KOR | Round Robin | Carpet | L | Guy Forget | 6-3 5-7 6-3 6-3 |
| 1986-10-06 | Davis Cup G2 F: KOR vs JPN | Round Robin | Hard | W | Shozo Shiraishi | 4-6 6-4 6-4 |
| 1986-10-06 | Davis Cup G2 F: KOR vs JPN | Round Robin | Hard | W | Tsuyoshi Fukui | 6-3 6-1 6-3 |
| 1986-07-18 | Davis Cup G1 SF: KOR vs THA | Round Robin | Clay | W | Tanakorn Srichaphan | 8-6 6-2 4-6 6-0 |
| 1986-05-09 | Davis Cup AOC QF: KOR vs PAK | Round Robin | Clay | L | Haseeb Aslam | 6-3 6-4 |
| 1986-05-09 | Davis Cup AOC QF: KOR vs PAK | Round Robin | Clay | W | Rashid Malik | 6-3 6-0 6-4 |
| 1985-05-10 | Davis Cup AOC SF: PHI vs KOR | Round Robin | Hard | W | Rodrigo Rafael | 8-6 10-8 6-0 |
| 1985-03-08 | Davis Cup AOC QF: PAK vs KOR | Round Robin | Clay | L | Mushaf Zia | 1-6 6-3 6-4 |
Most-played opponents
| Opponent | Wins | Losses | Total | H2H |
|---|---|---|---|---|
| Rodrigo Rafael | 1 | 0 | 1 | view H2H |
| Tsuyoshi Fukui | 1 | 0 | 1 | view H2H |
| Shozo Shiraishi | 1 | 0 | 1 | view H2H |
| Rashid Malik | 1 | 0 | 1 | view H2H |
| Tanakorn Srichaphan | 1 | 0 | 1 | view H2H |
| Paul Chamberlin | 1 | 0 | 1 | view H2H |
| Tintus Arianto Wibowo | 1 | 0 | 1 | view H2H |
| Broderick Dyke | 1 | 0 | 1 | view H2H |
| Srinivasan Vasudevan | 1 | 0 | 1 | view H2H |
| Zeeshan Ali | 1 | 0 | 1 | view H2H |