Japan

Yaoki Ishii: Ranking, Schedule & Stats

Age
49
Plays
Right

Yaoki Ishii is a professional tennis player from Japan, born 29 April 1977. The Japanese plays right-handed.

This page tracks Yaoki Ishii's upcoming schedule, latest results, recent form and surface record, with each match linking through to a detailed head-to-head and pre-match analysis. Scores update live as matches are played.

Recent form

1–9 last 10
LLLLLLLWLL

Trends

Ishii has won 6 of the last 18 first sets

33%

Ishii has won 1 of 5 deciding sets

20%

Career highs

Umpiry Rating 1497 · peak 1638 · 2000Longest win streak 3

Ranking trajectory from our weekly snapshots (last ~12 months); peak rating and longest tour-level win streak from our match records. Umpiry rank is the player’s position by our rating — the arrow shows how many spots that is above (▲) or below (▼) their official ranking.

2026 season form

0–0W–L

Current streak
4 losses

Recent surface record

Hard3–12 (20%)
Grass1–1 (50%)
Carpet0–1 (0%)

Career record

12–19W–L

Career surface record

Clay0–1 (0%)
Hard8–14 (36%)
Grass1–2 (33%)
Carpet3–2 (60%)

Recent results

L
vsSanguinetti D.
Tokyo · Qual. Q32 · hard
4-66-72
L
vsBruthans V.
Tokyo · Qual. Q32 · hard
6-41-63-6
L
vsRene Lisnard J.
Australian Open · Qual. Q128 · hard
4-64-6
L
vsDevilder N.
Chennai · Qual. Q32 · hard
3-60-6
L
vsChiudinelli M.
Tokyo · Qual. Q32 · hard
0-66-43-6
L
vsBlake J.
Tokyo · Round of 64 · hard
3-64-6
L
vsTaik Lee H.
Shanghai · Round of 32 · carpet
1-63-6
W
vsGoldstein P.
Tashkent · Qual. Q32 · hard
2-66-46-3
L
vsKroslak J.
Tashkent · Qual. Q16 · hard
6-41-62-6
L
vsCarraz G.
US Open · Qual. Q128 · hard
5-77-673-6
L
vsPaes L.
JPN vs IND · Round-robin · hard
1-61-63-6
L
vsArthurs W.
Tokyo · Round of 64 · hard
3-64-6
W
vsSpottl M.
Hong Kong · Qual. Q16 · hard
7-676-2
W
vsUllyett K.
Hong Kong · Qual. Q32 · hard
7-676-2
L
vsKim K.
Hong Kong · Qual. Quarter-final · hard
2-61-6

Exhibitions & team events

Shown for completeness — not counted in form, surface, or career stats. 12 matches (exhibitions, Davis / Laver / United Cup).

W
vsUneputty E.
Indonesia F3 · Round of 32 · hard
6-37-68
L
vsRungkat C.
Indonesia F3 · Round of 16 · hard
3-60-3
W
vsHan Lee H.
Indonesia F2 · Round of 32 · hard
3-67-686-2
L
vsSornbutnark W.
Indonesia F2 · Round of 16 · hard
1-62-4
L
vsWolmarans F.
USA F24 · Round of 16 · hard
3-64-6
W
vsBritton D.
USA F24 · Round of 32 · hard
6-46-4
L
vsBasilashvili N.
USA F23 · Round of 32 · hard
6-722-6
L
vsKondo H.
Thailand F3 · Round of 32 · hard
3-63-6
L
vsRoy R.
Thailand F1 · Round of 32 · hard
2-63-6
L
vsOku H.
Japan F8 · Round of 32 · clay
3-63-6
L
vsKyun Kang S.
Japan F7 · Round of 16 · carpet
6-751-6
W
vsOnozawa A.
Japan F7 · Round of 32 · carpet
6-32-67-5

More Japan players

Osaka N.#13 WTAShimabukuro S.#90 ATPUchijima M.#100 WTAMochizuki S.#112 ATPSakatsume H.#136 WTASakamoto R.#165 ATP

Frequently asked questions

When was Yaoki Ishii born?

Yaoki Ishii was born on 29 April 1977 (49 years old).

Where is Yaoki Ishii from?

Yaoki Ishii is from Japan.

Is Yaoki Ishii right or left-handed?

Yaoki Ishii plays right-handed.