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Kasidit Samrej is a 25-year-old Thai professional currently ranked #402 on the live ATP tour with 120 ranking points. Samrej climbed 5 places in the latest ranking update. Standing 191 cm, Samrej is a right-hander with a two-handed backhand.
Samrej was born in Bangkok. Our rating model puts Samrej at 1565 ELO across 219 rated matches, strongest on hard courts (1568). Samrej's next scheduled points drop is 2 points from M15 Nakhon Pathom 2 on July 27, 2026, when that result rolls off the 52-week ranking, and 18 results currently count toward Samrej's ranking total.
<a href="https://atprank.com/player/kasidit-samrej"><img src="https://atprank.com/api/card/player/kasidit-samrej" 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 Kasidit Samrej won as the betting underdog, ranked by pre-match odds.
Chak Lam Coleman WongSeoul Challenger 2024 · 6-7(1) 7-5 6-4@4.05def. 
Oliver CrawfordSeoul Challenger 2025 · 6-4 3-6 6-4@3.24def. 
William JansenM15 Hong Kong 2 2024 · 7-5 6-4@3.24def. 
Yasutaka UchiyamaJinan Challenger 2025 · 6-4 6-1@2.92def. 
Tung-Lin WuShanghai Challenger 2025 · 0-6 7-5 7-5@2.81Kasidit Samrej’s wins over the highest-rated opponents, by the opponent’s pre-match ELO (since 2023).
Last match Jul 9, 2026 · last win Jul 8, 2026
Level on points with Gabriele Piraino at #401.
Points needed to reach each tier, assuming other players’ totals stay the same.
Kasidit Samrej's most-played opponents. Open any rivalry for the full meeting record and a win-probability prediction.
Evgenii Tiurnev
Sanhui Shin