Choinski edged Wallin 6-4, 7-5 in Bonn, taking each set with a single late break and saving all four break points he faced. Wallin never converted a break point of his own across the match.
The first set turned in game 10, when Choinski broke to close it out 6-4. The second followed the same pattern: with the score at 6-5, Choinski broke again in game 12 to seal the match 7-5.
Choinski's first serve was the foundation, as he won 83% of points behind it and hit nine aces. Wallin actually won more service points overall, 48 to 45, but Choinski's 29 receiving points won and two decisive breaks made the difference.