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Noritaka Koizumi is a modest -138 favorite versus Kristjan Tamm, who pays even odds for this ITF M25 Taipei TPE match. This one was seeing solid action though the betting markets were limited to sets only.
The match is scheduled for the early hours of August 25 in Taiwan, corresponding to late Monday evening/night in the U.S. depending on the listing and timezone. Some feeds have shown slightly different start times, though officially this one is to begin 9 pm EDT.
Koizumi is 28-13 overall in 2026, including an excellent 27-12 on hard courts. Koizumi also looked excellent in his opening qualifying match in Taipei, beating Taiwan's Lin Hao-Yu 6-1, 6-2.
Tamm is just 5-5 in 2026, with a 5-4 hard-court record but has considerably more professional experience. He's 28 and owns a 210-198 career record, including 134-109 on hard courts. Koizumi's career record is only 45-29 because he's much earlier in his professional career.
Some sportsbooks and prediction markets were reporting over $200,000 in volume hours ahead of this match, so the betting handle is rather brisk.
Gambling911.com has determined that the most wagering action should be coming from these nations (the U.S. is noticeably not included on this list):
Rank Market Why
1 🇯🇵 Japan Koizumi is Japanese
2 🇹🇼 Taiwan Tournament is in Taipei
3 🇨🇳 China Large nearby tennis/betting audience
4 🇮🇩 Indonesia Strong online sportsbook/tennis market
5 🇹🇭 Thailand Active Asian tennis betting market
6 🇻🇳 Vietnam Strong online sports-betting interest
7 🇪🇪 Estonia Tamm's home market
8 🇦🇺 Australia Tennis-heavy betting market + favorable timezone
9 🇵🇭 Philippines Large Asian online wagering market
10 🇬🇧 UK Huge betting market, though limited player recognition
- Ean Lamb, Gambling911.com
