Daisuke Sumizawa vs Taiyo Yamanaka Head-to-Head Stats, Results & Performance Comparison

• When analyzing recent second serve performance, Taiyo Yamanaka has a slight edge, winning 44.98% of points compared to Daisuke Sumizawa's 44.17%. Could this marginal difference influence the match's outcome?
• In return games, Taiyo Yamanaka also holds a slight advantage, winning 42.71% of opponent's second serve points, while Daisuke Sumizawa captures 42.37%.
• Looking at return stats on the first serve, Daisuke emerges stronger, winning 26.28% to Taiyo's 24.47%. Will this factor become crucial in pivotal moments?
• Daisuke Sumizawa has secured 44.02% of breakpoints recently, while Taiyo Yamanaka has a slight lead with 44.67% saved. This resilience under pressure might be key.
• Overall match performance shows both players are almost evenly matched: Daisuke Sumizawa has a winning rate of 59.32% compared to Taiyo Yamanaka's 59.68% over the past year. There's little difference here.
• Their career surface win rates on indoor hard courts are even at 59%, but Daisuke might struggle more on grass, where he hasn't won before, compared to Taiyo's slightly better record on all surfaces.
• Both players frequently compete in lower-tier tournaments, with Daisuke winning 61.40% of these matches and Taiyo winning 60.34%. How much does playing against similarly ranked opponents affect their readiness?
• Direct head-to-head results heavily favor Daisuke Sumizawa, who has won all three previous encounters, taking 6 of 7 sets from Taiyo Yamanaka.
• Daisuke has faced, on average, slightly lower-ranked opponents (374.08) than Taiyo (324.89) in the last year, which might have contributed to his winning record against Taiyo.
• In deciding sets, Daisuke's win rate of 47% is higher than Taiyo's 41%, suggesting he might have the upper hand in tight matches.
• Break point conversion is also in Daisuke's favor, with a 34.23% success rate compared to Taiyo's 29.55%, which could prove decisive in breaking Taiyo's serve.

Editorial Prediction (November 16, 2025, UTC):

The upcoming match between Daisuke Sumizawa and Taiyo Yamanaka promises to be a closely contested encounter, with both players demonstrating similar overall win percentages for the past year. However, nuances in their performances could sway the match in one direction.

Daisuke Sumizawa holds a significant psychological advantage, having won all past head-to-head matches against Taiyo Yamanaka. Such a consistent record may provide Daisuke with the confidence needed to claim victory again.

While Taiyo Yamanaka shows slight advantages in some of the statistical categories, these are marginal and may not overcome Daisuke’s resilience under pressure and his superior breakpoint conversion rate.

Based on a holistic analysis of their performance patterns, strengths, and weaknesses, Daisuke Sumizawa appears to be the more likely winner in this upcoming match.