71–62Win–Loss
53.4%Win %
0Titles
| Surface | W | L | % |
|---|---|---|---|
| Hard | 42 | 22 | 65.6% |
| Clay | 18 | 20 | 47.4% |
| Carpet | 8 | 18 | 30.8% |
| Unknown | 3 | 1 | 75.0% |
| Grass | 0 | 1 | 0.0% |
Season by season
| Year | W | L | Titles | % |
|---|---|---|---|---|
| 1989 | 0 | 2 | 0 | 0.0% |
| 1988 | 2 | 2 | 0 | 50.0% |
| 1987 | 5 | 4 | 0 | 55.6% |
| 1986 | 11 | 5 | 0 | 68.8% |
| 1985 | 6 | 3 | 1 | 66.7% |
| 1984 | 6 | 2 | 0 | 75.0% |
| 1983 | 13 | 9 | 1 | 59.1% |
| 1982 | 6 | 9 | 0 | 40.0% |
| 1981 | 5 | 8 | 0 | 38.5% |
| 1980 | 7 | 8 | 0 | 46.7% |
| 1979 | 5 | 4 | 0 | 55.6% |
| 1978 | 2 | 4 | 0 | 33.3% |
| 1977 | 3 | 2 | 0 | 60.0% |
Ranking history
Matches
| Date | Tournament | Round | W/L | Opponent | Opp. rank | Score |
|---|---|---|---|---|---|---|
| 1983-09-30 | Davis Cup EUR F: JPN vs IND | RR | W | Vijay Amritraj | 382 | 7-5 6-3 |
| 1983-09-30 | Davis Cup EUR F: JPN vs IND | RR | L | Ramesh Krishnan | 97 | 6-4 6-1 3-6 4-6 6-0 |
| 1983-07-04 | Essen CH | R32 | L | Eduardo Bengoechea | 279 | 6-3 5-7 6-2 |
| 1983-06-27 | Travemunde CH | R32 | L | Eduardo Osta | 308 | 7-5 6-4 |
| 1983-06-13 | Brescia CH | R16 | L | Helmar Stiegler | 358 | 6-3 6-3 |
| 1983-06-13 | Brescia CH | R32 | W | Gerald Mild | 314 | 4-6 7-6 6-4 |
| 1983-06-06 | Dortmund CH | R16 | L | Gustavo Guerrero | 337 | 6-3 6-2 |
| 1983-06-06 | Dortmund CH | R32 | W | Christo Steyn | 616 | 3-6 6-0 7-5 |
| 1983-05-30 | Tampere CH | R16 | L | Jorgen Windahl | 187 | 6-2 6-1 |
| 1983-05-30 | Tampere CH | R32 | W | Mika Hedman | – | 6-4 7-6 |
| 1983-05-06 | Davis Cup G2 SF: JPN vs KOR | RR | W | Woo Ryong Lee | – | 6-1 6-1 |
| 1983-05-06 | Davis Cup G2 SF: JPN vs KOR | RR | W | Dong Wook Song | – | 2-6 6-2 6-1 7-5 |
| 1983-04-25 | Nagoya CH | R32 | L | Shinichi Sakamoto | 473 | 6-2 6-3 |
| 1983-04-18 | Tokyo CH | F | W | Michael Wayman | 423 | 6-4 6-0 |
| 1983-04-18 | Tokyo CH | SF | W | Jeff Turpin | 343 | 7-6 6-0 |
| 1983-04-18 | Tokyo CH | QF | W | John Frawley | 294 | 6-7 6-3 6-3 |
| 1983-04-18 | Tokyo CH | R16 | W | Shigeyuki Nishio | 423 | 6-4 6-0 |
| 1983-04-18 | Tokyo CH | R32 | W | Shinichi Sakamoto | 473 | 6-2 4-6 6-4 |
| 1983-03-04 | Davis Cup AME QF: JPN vs CHN | RR | W | Shu Hua Liu | – | 6-2 6-2 6-2 |
| 1983-03-04 | Davis Cup AME QF: JPN vs CHN | RR | W | Shi Qin Li | – | 6-0 6-0 6-1 |
| 1982-11-15 | Bangkok | R32 | L | Morris Skip Strode | 98 | 6-3 6-2 |
| 1982-11-08 | Taipei | R16 | L | Robert Vant Hof | 46 | 7-6 1-6 6-0 |
| 1982-11-08 | Taipei | R32 | W | Mike Estep | 84 | 6-2 6-3 |
| 1982-11-01 | Hong Kong | R16 | L | Mike Bauer | – | 6-4 6-2 |
| 1982-11-01 | Hong Kong | R32 | W | Kim Warwick | 35 | 7-5 1-6 7-6 |
| 1982-10-25 | Tokyo Indoor | R32 | L | Phil Dent | 48 | 6-1 7-6 |
| 1982-10-18 | Tokyo Outdoor | R64 | L | Morris Skip Strode | 227 | 6-3 6-4 |
| 1982-05-07 | Davis Cup G1 F: INA vs JPN | RR | L | Justedjo Tarik | 396 | 6-4 9-7 1-6 7-5 |
| 1982-04-21 | Nagareyama CH | R32 | L | Glenn Petrovic | 383 | 2-6 7-5 7-5 |
| 1982-04-14 | Chigasaki CH | R16 | L | Tom Cain | 219 | 6-4 3-6 7-5 |
| 1982-04-14 | Chigasaki CH | R32 | W | Mike Brunnberg | 662 | 6-2 6-3 |
| 1982-04-07 | Tokyo CH | R16 | L | Henrik Sundstrom | – | 2-6 6-1 6-2 |
| 1982-04-07 | Tokyo CH | R32 | W | Peter Johnston | – | 6-0 6-0 |
| 1982-03-05 | Davis Cup EUR SF: JPN vs THA | RR | W | Panomkorn Pladchunil | – | 6-3 6-2 |
| 1982-03-05 | Davis Cup EUR SF: JPN vs THA | RR | W | Sombat Uamongkol | – | 6-0 6-3 5-7 6-0 |
| 1981-10-26 | Tokyo Indoor | R16 | L | John McEnroe | 1 | 6-3 6-2 |
| 1981-10-26 | Tokyo Indoor | R32 | W | Shozo Shiraishi | 480 | 6-4 6-2 |
| 1981-10-19 | Tokyo Outdoor | R32 | L | Eliot Teltscher | 9 | 6-1 6-2 |
| 1981-10-19 | Tokyo Outdoor | R64 | W | Tetsu Kuramitsu | 546 | 6-2 6-2 |
| 1981-10-02 | Davis Cup WG PO: FRA vs JPN | RR | L | Thierry Tulasne | 64 | 6-1 8-6 6-3 |
| 1981-10-02 | Davis Cup WG PO: FRA vs JPN | RR | W | Gilles Moretton | 75 | 1-6 4-6 RET |
| 1981-04-27 | Nagoya CH | R16 | L | Matt Doyle | 249 | 4-6 6-4 7-6 |
| 1981-04-27 | Nagoya CH | R32 | W | Hitoshi Shirato | – | 6-4 6-3 |
| 1981-04-20 | Tokyo CH | R32 | L | Charlie Fancutt | 198 | 6-4 6-2 |
| 1981-04-06 | Kyoto CH | R16 | L | Mike Cahill | 189 | 6-3 6-4 |
| 1981-04-06 | Kyoto CH | R32 | W | Charlie Fancutt | 198 | 6-4 6-4 |
| 1981-03-06 | Davis Cup WG R1: JPN vs SWE | RR | L | Per Hjertquist | 70 | 6-4 6-2 6-0 |
| 1981-03-06 | Davis Cup WG R1: JPN vs SWE | RR | L | Kjell Johansson | 56 | 7-5 6-2 6-4 |
| 1980-10-27 | Tokyo Indoor | R32 | L | Bjorn Borg | 1 | 6-2 6-2 |
| 1980-10-20 | Tokyo Outdoor | R16 | L | Jan Norback | 177 | 6-1 6-2 |