Matsuoka H. beat Sun F. 7-5, 7-5 in the Astana Men Singles, winning both sets with a decisive late break. Matsuoka's serve was the headline factor: he finished with 10 aces and won 83% of first-serve points, while facing only one break point all match.
Neither player gave much away until the 12th game of the opener, where Matsuoka broke for the set. He then broke for 2-0 in the second; Sun hit back to make it 3-4, but Matsuoka secured another break in the 12th game to close out 7-5.
The standout numbers were firmly in Matsuoka's favour on serve, even though Sun saved five of seven break points. Matsuoka's 10 aces outweighed Sun's four, and his first-serve points percentage was 10 points higher — enough to edge both tight sets.