- Born
- 1977-04-29 in nan, Japan
- Hand
- Right
- Backhand
- nan
- Coach
- Brad Koontz
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Yaoki Ishii
Yaoki Ishii has found the Tour difficult, recording 3–6 across 9 matches (33.3%). The numbers point to a player still building their Tour presence — a key area of opportunity going forward.
By format — best-of-five: 1–2 (33.3%); best-of-three: 2–4 (33.3%). Consistent regardless of format — a sign of a well-rounded game that holds up as matches develop.
Best season: 2000 — 3–3 (50.0%) from 6 matches. The best single-season display to date — a useful reference point as the career continues to develop.
| Date | Tournament | Srf | Rd | Wrk | Winner | Lrk | Loser | Score |
|---|---|---|---|---|---|---|---|---|
| 2001-10-01 | Tokyo | Hard | R64 | 109 | 260 | 6-3 6-4 | ||
| 2001-09-17 | Shanghai | Hard | R32 | 97 | 259 | 6-1 6-3 | ||
| 2001-04-06 | Davis Cup G1 SF: JPN vs IND | Hard | RR | 274 | 326 | 6-1 6-1 6-3 | ||
| 2000-10-09 | Tokyo | Hard | R64 | 87 | 260 | 6-3 6-4 | ||
| 2000-04-07 | Davis Cup G1 PO: JPN vs LIB | Carpet | RR | 254 | 573 | 6-4 6-3 6-3 | ||
| 2000-04-07 | Davis Cup G1 PO: JPN vs LIB | Carpet | RR | 254 | - | 6-2 6-4 | ||
| 2000-02-04 | Davis Cup G1 QF: JPN vs KOR | Carpet | RR | 197 | 210 | 4-6 4-6 6-2 6-1 10-8 | ||
| 2000-02-04 | Davis Cup G1 QF: JPN vs KOR | Carpet | RR | 210 | 722 | 6-4 6-4 | ||
| 2000-01-03 | Chennai | Hard | R32 | 160 | 239 | 6-3 6-4 |