WTA roundup: Viktoriya Tomova upends Tatjana Maria in Hamburg

Viktoriya Tomova rallied from behind in both sets to record a 6-3, 7-6 (5) victory over third-seeded Tatjana Maria of Germany on Wednesday in first-round play at the MSC Hamburg Ladies Open.

The Bulgarian trailed 3-2 in the first set and 5-3 in the second before eliminating the home-country favorite. In other first-round play, No. 1 seed Ekaterina Alexandrova of Russia beat the Netherlands' Eva Vedder 6-0, 6-3 and No. 2 Dayana Yastremska of Ukraine was a 6-4, 6-3 winner over Germany's Jule Niemeier.

Fifth-seeded Lois Boisson of France, the recent surprise semifinalist at the French Open, knocked off Germany's Tamara Korpatsch 6-4, 6-7 (3), 6-4 in a second-round match. Other second-round winners were Hungary's Dalma Galfi, Slovenia's Kaja Juvan and Spain's Leyre Romero Gormaz.

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No. 6 seed Jil Teichmann of Switzerland won 62 percent of her first-serve points (31 of 50) while registering a 7-6 (5), 6-2 victory over Poland's Maja Chwalinska in the second round in Romania.

Teichmann trailed for most of the first set before forcing the tiebreaker and then winning it. She carried the momentum into the second set by winning the first three games and cruised to the victory.

Anna Siskova of the Czech Republic saved 8 of 11 break points while posting a 6-3, 6-3 victory over Ann Li. Siskova won 10 of 18 (55.6 percent) second-serve points while Li won just 36 percent (9 of 25).