Includes finals, playoffs and exhibition games, so totals run higher than regular-season figures.
| Season | ||||||||
|---|---|---|---|---|---|---|---|---|
| 1991 Wta tourJapan | 3 | 0 | 1 | 6 | 24 | 39 | 0 | – |
| 1990 Wta tourJapan | 4 | 0 | 1 | 8 | 27 | 53 | 0 | 1 |
| 1989 Wta tourJapan | 15 | 5 | 10 | 22 | 114 | 163 | 1 | 4 |
| 1988 Wta tourJapan | 11 | 5 | 12 | 13 | 115 | 125 | 3 | 2 |
| 1987 Wta tourJapan | 2 | 0 | 0 | 4 | 8 | 24 | 0 | – |
| 1986 Wta tourJapan | 1 | 0 | 0 | 2 | 8 | 13 | 1 | – |
| 1985 Wta tourJapan | 4 | 0 | 2 | 8 | 36 | 56 | 0 | – |
| Career7 seasons | 40 | 10 | 26 | 63 | 332 | 473 | 5 | 7 |
| Game | |||||||
|---|---|---|---|---|---|---|---|
| San Marino: Round of 32 v Anna Foldenyi DickerL 0-2 15 July | 0 | 0 | 2 | 7 | 12 | 0 | – |
| Pattaya: Round of 32 v Nana SmithL 0-2 15 Apr | 0 | 0 | 2 | 7 | 13 | 0 | – |
| Brisbane: Round of 64 v Petra LangrovaL 1-2 31 Dec | 0 | 1 | 2 | 10 | 14 | 0 | – |
| Split | ||||||||
|---|---|---|---|---|---|---|---|---|
| LossesResult | 30 | 0.0 | 0.3 | 2.0 | 7.0 | 13.2 | 0.1 | 0.2 |
| WinsResult | 10 | 1.0 | 1.8 | 0.3 | 12.2 | 7.6 | 0.1 | 0.2 |
| Regular seasonStage · won 10 of 39 | 39 | 0.3 | 0.7 | 1.6 | 8.4 | 11.8 | 0.1 | 0.2 |
| FinalsStage · won 0 of 1 | 1 | 0.0 | 0.0 | 2.0 | 6.0 | 13.0 | 1.0 | – |
| Gabriela SabatiniOpponent · won 0 of 2 | 2 | 0.0 | 0.0 | 2.0 | 2.5 | 12.0 | 0.0 | 0.5 |
| Pamela JungOpponent · won 1 of 2 | 2 | 0.5 | 1.5 | 1.0 | 13.0 | 13.0 | 0.5 | – |
| Rosalyn FairbankOpponent · won 1 of 2 | 2 | 0.5 | 1.0 | 1.5 | 9.5 | 12.0 | 0.0 | – |
| Terry PhelpsOpponent · won 0 of 2 | 2 | 0.0 | 0.0 | 2.0 | 5.5 | 12.5 | 0.0 | – |
| Alexia Dechaume BalleretOpponent · won 0 of 1 | 1 | 0.0 | 0.0 | 2.0 | 3.0 | 12.0 | 0.0 | – |
| Amy SchwartzOpponent · won 0 of 1 | 1 | 0.0 | 1.0 | 2.0 | 11.0 | 15.0 | 0.0 | – |
| Ann DevriesOpponent · won 0 of 1 | 1 | 0.0 | 1.0 | 2.0 | 9.0 | 16.0 | 0.0 | – |
| Ann HenrickssonOpponent · won 0 of 1 | 1 | 0.0 | 1.0 | 2.0 | 13.0 | 16.0 | 0.0 | – |
| Anna Foldenyi DickerOpponent · won 0 of 1 | 1 | 0.0 | 0.0 | 2.0 | 7.0 | 12.0 | 0.0 | – |
| Annabel CroftOpponent · won 0 of 1 | 1 | 0.0 | 1.0 | 2.0 | 18.0 | 19.0 | 1.0 | – |
| Beth HerrOpponent · won 0 of 1 | 1 | 0.0 | 0.0 | 2.0 | 8.0 | 13.0 | 1.0 | – |
| Cammy MacgregorOpponent · won 0 of 1 | 1 | 0.0 | 0.0 | 2.0 | 6.0 | 12.0 | 0.0 | – |
| Catarina Lindqvist RyanOpponent · won 0 of 1 | 1 | 0.0 | 0.0 | 2.0 | 5.0 | 12.0 | 0.0 | – |
| Catherine TanvierOpponent · won 0 of 1 | 1 | 0.0 | 0.0 | 2.0 | 5.0 | 12.0 | 0.0 | 1.0 |
| Cynthia MacgregorOpponent · won 0 of 1 | 1 | 0.0 | 0.0 | 2.0 | 5.0 | 12.0 | 0.0 | – |
| Elna ReinachOpponent · won 0 of 1 | 1 | 0.0 | 0.0 | 2.0 | 4.0 | 12.0 | 0.0 | – |
| Emiko OkagawaOpponent · won 1 of 1 | 1 | 1.0 | 2.0 | 0.0 | 12.0 | 4.0 | 0.0 | – |
| Etsuko InoueOpponent · won 0 of 1 | 1 | 0.0 | 0.0 | 2.0 | 3.0 | 12.0 | 0.0 | 1.0 |
| Eva PfaffOpponent · won 0 of 1 | 1 | 0.0 | 0.0 | 2.0 | 7.0 | 12.0 | 0.0 | – |
| Gretchen MagersOpponent · won 0 of 1 | 1 | 0.0 | 0.0 | 2.0 | 6.0 | 13.0 | 1.0 | – |
| Jane FormanOpponent · won 0 of 1 | 1 | 0.0 | 0.0 | 2.0 | 7.0 | 12.0 | 0.0 | – |
| Jo DurieOpponent · won 1 of 1 | 1 | 1.0 | 2.0 | 0.0 | 12.0 | 4.0 | 0.0 | – |
| Katrina AdamsOpponent · won 1 of 1 | 1 | 1.0 | 2.0 | 1.0 | 15.0 | 13.0 | 0.0 | – |
| Kirsten DreyerOpponent · won 0 of 1 | 1 | 0.0 | 1.0 | 2.0 | 12.0 | 17.0 | 0.0 | – |
| Leila MeskhiOpponent · won 0 of 1 | 1 | 0.0 | 0.0 | 2.0 | 7.0 | 13.0 | 0.0 | – |
| Linda BarnardOpponent · won 1 of 1 | 1 | 1.0 | 2.0 | 0.0 | 13.0 | 8.0 | 1.0 | – |
| Louise FieldOpponent · won 0 of 1 | 1 | 0.0 | 0.0 | 2.0 | 6.0 | 12.0 | 0.0 | – |
| Marianne Werdel WitmeyerOpponent · won 0 of 1 | 1 | 0.0 | 1.0 | 2.0 | 12.0 | 14.0 | 0.0 | 1.0 |
| Martina PawlikOpponent · won 1 of 1 | 1 | 1.0 | 0.0 | 0.0 | 3.0 | 0.0 | 0.0 | 1.0 |
| Nana SmithOpponent · won 0 of 1 | 1 | 0.0 | 0.0 | 2.0 | 7.0 | 13.0 | 0.0 | – |
| Pascale Paradis MangonOpponent · won 1 of 1 | 1 | 1.0 | 2.0 | 0.0 | 13.0 | 9.0 | 0.0 | 1.0 |
| Patty FendickOpponent · won 0 of 1 | 1 | 0.0 | 0.0 | 2.0 | 4.0 | 12.0 | 0.0 | 1.0 |
| Petra LangrovaOpponent · won 0 of 1 | 1 | 0.0 | 1.0 | 2.0 | 10.0 | 14.0 | 0.0 | – |
| Renata BaranskiOpponent · won 1 of 1 | 1 | 1.0 | 2.0 | 0.0 | 12.0 | 6.0 | 0.0 | – |
| Tine Scheuer LarsenOpponent · won 0 of 1 | 1 | 0.0 | 0.0 | 2.0 | 3.0 | 12.0 | 0.0 | – |
| Vicki NelsonOpponent · won 1 of 1 | 1 | 1.0 | 2.0 | 1.0 | 13.0 | 11.0 | 0.0 | – |
| HardGround · won 9 of 28 | 28 | 0.3 | 0.8 | 1.4 | 9.0 | 11.4 | 0.2 | 0.2 |
| CarpetGround · won 1 of 3 | 3 | 0.3 | 0.7 | 1.7 | 8.7 | 12.7 | 0.0 | – |
| ClayGround · won 0 of 3 | 3 | 0.0 | 0.0 | 2.0 | 3.3 | 12.0 | 0.0 | 0.3 |
| GrassGround · won 0 of 2 | 2 | 0.0 | 0.0 | 2.0 | 4.0 | 12.0 | 0.0 | 0.5 |
Wins-losses for Nishiya. Tap a rival for the full head to head.
Stats from official league and public sports feeds. Updated hourly. Tennis history by Jeff Sackmann / Tennis Abstract (CC BY-NC-SA 4.0).