Live points verified daily against the official ranking: 998 of 1,000 in the ATP top 1,000 match to the point. How we check ›
Kokoro Isomura, a 23-year-old Japanese professional, holds the #562 spot in the live ATP rankings with 72 points. Isomura moved up 9 places in the most recent release. Isomura is a right-hander with a two-handed backhand who stands 175 cm.
Isomura was born in Hiroshima. Isomura carries an ELO rating of 1520 over 220 rated matches, strongest on hard courts (1519). 18 results currently count toward Isomura's ranking total.
<a href="https://atprank.com/player/kokoro-isomura"><img src="https://atprank.com/api/card/player/kokoro-isomura" alt="Live tennis ranking — atprank.com" width="640" height="180" /></a>Live card — updates automatically. Free to embed with the atprank.com link.
From matches in our dataset (2023–present).
Biggest upset victories — matches Kokoro Isomura won as the betting underdog, ranked by pre-match odds.
Kokoro Isomura’s wins over the highest-rated opponents, by the opponent’s pre-match ELO (since 2023).
Yan BaiMatsuyama Challenger 2024 · 7-6(5) 7-6(3)ELO 1622def. 
Sanhui ShinZhangjiagang Challenger 2025 · 2-6 6-2 6-4ELO 1599def. 
Yosuke WatanukiSeoul Challenger 2025 · 5-2 ret.ELO 1588def. 
Petr Bar BiryukovShanghai Challenger 2025 · 7-6(3) 7-5ELO 1574def. Jie CuiZhangjiagang Challenger 2025 · 3-6 6-2 7-6(9)ELO 1570Last match Jul 9, 2026 · last win Jul 8, 2026
Level on points with Ivan Ivanov at #561.
Points needed to reach each tier, assuming other players’ totals stay the same.
Valid results outside the best-18 that don't count toward the ranking right now — they promote in as counting results drop off.
Kokoro Isomura's most-played opponents. Open any rivalry for the full meeting record and a win-probability prediction.
Jurij Rodionov
Stefanos Sakellaridis
Elias Ymer