Chun Hsin Tseng #272Taiwan11 – 2Vitaliy Sachko #189Ukraine2

Signal quality Low · Uncertainty band Slight lean · Not priced

The read

Sachko's slightly better return game and higher ace count on clay give a marginal edge, but both have identical recent clay win rates, making this a low-confidence lean.

• Last 15 on clay: Sachko 8-6 W/L, Tseng 8-6 W/L; both 57.1% win rate.
• Sachko return points won on clay: 43.0% vs Tseng 41.3%.
• Sachko break point conversion on clay: 48.5% vs Tseng 49.5% (similar).
• Sachko higher ace rate (3.6 vs 2.3 per match) and more double faults (2.5 vs 0.6).

Signal quality Medium · Uncertainty band Strong lean · Market price 1.80

The read

Both players have nearly identical games-won percentages and average match lengths above 22 games on clay, suggesting a close contest likely to exceed 21.5 total games.

• Last 15 clay matches: Tseng avg 22.9 games per match, Sachko avg 22.8.
• Both players have 51.6% and 51.7% games won on clay, indicating tight sets.
• Tseng's last 5 clay matches: 3 went over 21.5 games.

Signal quality Medium · Uncertainty band Lean · Market price 1.91

The read

With both players averaging close to 10 games in the first set on clay and no dominant server, the opener is likely to be tight and surpass 9.5 games.

• Tseng last 15 clay: avg 9.8 games in first set.
• Sachko last 15 clay: avg 9.6 games in first set.
• Both have similar serve/return stats, leading to competitive starts.

Signal quality Low · Uncertainty band Near coin-flip · Not priced

The read

While three-setters are not the majority, the competitive stats and similar levels make a deciding set a coin-flip possibility.

• Tseng deciding set win rate career: 53%; Sachko: 57%.
• Last 15 clay: Tseng played 3 three-setters in 14 matches; Sachko 4 in 14.
• Both have similar overall win rates, suggesting a close match.

Signal quality Medium · Uncertainty band Lean · Not priced

The read

Sachko's superior ace count on clay (3.6 per match) combined with Tseng's 2.3 gives a combined average near 6, and with variance, over 6.5 is likely.

• Sachko last 15 clay: 3.6 aces per match; Tseng: 2.3.
• Combined average: 5.9 aces per match, but Sachko's higher rate pushes total up.
• Sachko had 8 aces in one grass match, but clay numbers are consistent.

Signal quality Medium · Uncertainty band Lean · Not priced

The read

Sachko's high double fault rate (2.5 per match) alone often clears 3.5, and with Tseng adding at least 0.6, the total is likely to exceed the line.

• Sachko last 15 clay: 2.5 double faults per match; Tseng: 0.6.
• Combined average: 3.1, but Sachko's high rate often pushes total over.
• Sachko had 2+ double faults in 10 of last 14 clay matches.