The 17-year-old Alexander Zverev reached the semifinals of his hometown tournament by defeating Tobias Kamke 0-6, 7-5, 6-3 in the Hamburg Open on Friday.
Top-seeded Kevin Anderson of South Africa lost to Victor Hanescu of Romania 6-4, 6-4 Wednesday in the second round of the Grand Prix Hassan II.
In his first match since returning from a four-month doping ban, Marin Cilic beat qualifier Igor Sijsling 5-7, 6-1, 6-4 Monday to reach the second round of the Paris Masters.
Fifth-seeded Mikhail Youzhny of Russia overcame an illness and reached the second round of the Thailand Open by beating Paolo Lorenzi of Italy 6-3, 6-2 on Wednesday.
Mikhail Youzhny will play unseeded Robin Haase in the Swiss Open final after both won their semifinals on Saturday.
A day after Roger Federer lost at the Swiss Open citing back pains, Stanislas Wawrinka retired from his quarterfinal match Friday with the same injury.
Defending champion John Isner and top seed Jo-Wilfried Tsonga of France both won Tuesday in the second round of the Winston-Salem Open.
Paul-Henri Mathieu rallied from a set down Monday to upset fourth-seeded Feliciano Lopez 4-6, 7-6 (5), 6-4 in the opening round of the ABN Amro World Tennis Tournament.
Top-seeded Juan Ignacio Chela defeated Marcel Granollers of Spain 6-3, 6-4 in the quarterfinals of the Bet-at-Home Cup.
Top-seeded Juan Ignacio Chela defeated Daniel Gimeno-Traver of Spain 6-4, 3-6, 6-3 to reach the quarterfinals of the Bet-at-Home Cup.
Robin Soderling recovered from two sets down to defeat 2002 champion Lleyton Hewitt 6-7 (5), 3-6, 7-5, 6-4, 6-4 in the second round at Wimbledon.
Novak Djokovic joined the rest of the big four of men's tennis in the second round at Wimbledon by comfortably beating Jeremy Chardy of France 6-4, 6-1, 6-1.
Defending French Open champions Rafael Nadal and Francesca Schiavone were given first-round matches in Friday's draw against Americans who own a combined two career match wins at Roland Garros.
Roger Federer's French Open preparation hit a roadblock with a 4-6, 7-6 (2), 7-6 (4) loss to Richard Gasquet in the third round of the Italian Open.
Rafael Nadal defeated Santiago Giraldo of Colombia 6-3, 6-1 Thursday to set up a quarterfinal against Gael Monfils at the Barcelona Open.
Andy Murray moved another step closer to consecutive Australian Open finals, routing Guillermo Garcia-Lopez 6-1, 6-1, 6-2 in the third round of the year's first major.