Olle Wallin #386Sweden22 – 0Matthew William Donald #455Czechia0

Signal quality Medium · Uncertainty band Lean · Market price 1.60

The read

Wallin's superior recent clay form (11-4 vs 9-6) and dominant first-serve performance (70.4% vs 62.4%) give him a clear edge, reinforced by a recent H2H win.

• Wallin leads H2H 1-0 on clay (7-6(9) 6-3, 2026-07-27).
• Wallin's last15 overall record: 11-4 (73.3%), Donald: 9-6 (60%).
• Wallin's last15 clay total points won: 53.9% vs Donald's 52.0%.
• Wallin's last15 clay first-serve points won: 70.4% vs Donald's 62.4%.

Signal quality Medium · Uncertainty band Strong lean · Not priced

The read

With both players showing solid return games and similar break-point stats, a competitive match likely exceeds 21.5 games, as seen in their H2H.

• Wallin's last15 clay matches averaged 21.6 games (191 games/15 matches).
• Donald's last15 clay matches averaged 19.4 games (158/15), but vs stronger opponents games increase.
• H2H match had 22 games (7-6, 6-3).
• Both players have similar break-point conversion rates (~47%) and save rates (~59%), suggesting competitive games.

Signal quality Medium · Uncertainty band Lean · Market price 1.91

The read

Donald's high first-serve percentage and Wallin's solid return game make a tight first set likely, pushing the total over 9.5 games.

• H2H set1 went to 13 games (7-6).
• Wallin's last15 clay matches: 59% games won, Donald: 54.3%, indicating close sets.
• Donald's first-serve in% is high (72.1%), which can extend games.

Signal quality Medium · Uncertainty band Lean · Market price 1.60

The read

Wallin's strong first-serve advantage on clay should allow him to control the opening set, as he did in their H2H meeting.

• Wallin's last15 clay first-serve points won: 70.4% vs Donald's 62.4%.
• Wallin's last15 clay return points won: 45.2% vs Donald's 46.7% (similar).
• Wallin's career first-set win conversion: 92% vs Donald's 89%.

Signal quality Medium · Uncertainty band Lean · Not priced

The read

Donald's high double-fault rate (3.9 per match) combined with Wallin's average pushes the total comfortably over 5.5.

• Wallin averages 2.1 double faults per match in last15 clay.
• Donald averages 3.9 double faults per match in last15 clay.
• Combined average: 6.0 double faults per match.

Signal quality Medium · Uncertainty band Lean · Not priced

The read

Wallin's ace count alone often approaches the line, and with Donald contributing a few, the total should exceed 6.5.

• Wallin averages 5.3 aces per match in last15 clay.
• Donald averages 1.3 aces per match in last15 clay.
• Combined average: 6.6 aces per match.