Japan

Kokona Ishii: Ranking, Schedule & Stats

Age
16

Kokona Ishii is a professional tennis player from Japan, born 10 March 2010.

This page tracks Kokona 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

1–3 last 4
LLWL

Career highs

Umpiry Rating 1505 · peak 1514 · 2025

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

0–2W–L0%

Recent surface record

Hard1–3 (25%)

Career record

1–3W–L

Career surface record

Hard1–3 (25%)

Recent results

L
vsAn Lin F.
W15 Fukui · Round of 32 · hard
6-32-63-6
L
vsWatson H.
W100 Tokyo · Qual. Q32 · hard
3-65-7
W
vsKato M.
W15 Sapporo · Round of 32 · hard
6-46-1
L
vsKinoshita H.
W15 Sapporo · Round of 16 · hard
4-62-6

Exhibitions & team events

Shown for completeness — not counted in form, surface, or career stats. 4 matches (exhibitions, Davis / Laver / United Cup).

L
vsKinoshita H.
W15 Sapporo 2 · Round of 16 · hard
4-62-6
W
vsKato 2 M.
W15 Sapporo 2 · Round of 32 · hard
6-46-1
W
vsMin Ha S.
W15 Sapporo 2 · Qual. Q16 · hard
6-46-0
W
vsUchijima M.
W15 Sapporo 2 · Qual. Q32 · hard
6-37-5

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 Kokona Ishii born?

Kokona Ishii was born on 10 March 2010 (16 years old).

Where is Kokona Ishii from?

Kokona Ishii is from Japan.