Hamburg - Serbian qualifier Filip Krajinovic has defeated defending champion Fabio Fognini 6-4, 6-0 as a host of seeded players crashed out in the second round of the Hamburg Open on Wednesday.
The 149th-ranked Krajinovic converted five of his 10 break point chances against the second-seeded Italian and dropped just eight points in the second set to win in only 54 minutes.
Krajinovic next plays Serbia's Dusan Lajovic, who defeated 15th-seeded Carlos Berlocq of Argentina 6-3, 6-4.
Fifth-seeded Mikhail Youzhny of Russia lost 7-5, 7-5 to 17-year-old Alexander Zverev, and another German wild card Tobias Kamke defeated 13th-seeded Argentine Federico Delbonis 6-3, 6-4.
Leonardo Mayer of Argentina upset 10th-seeded Spaniard Guillermo Garcia-Lopez 7-6 (1), 7-6 (3).
Czech player Lukas Rosol beat 14th-seeded Joao Sousa of Portugal 6-2, 6-4.
Results from the Hamburg ATP tournament on Wednesday (x denotes seeding):
Andreas Seppi (ITA x16) bt Juan Monaco (ARG) 1-6, 6-0, 7-6 (7/3)
Pablo Andjar (ESP) bt Thomaz Belluci (BRA) 6-4, 3-6, 6-2
Oleksandr Dolgopolov Jr. (UKR x4) bt Jerzy Janowicz (POL) 6-4, 6-1
Tobias Kamke (GER) bt Federico Del Bonis (ARG x13) 6-3, 6-4
Alexander Zverev (GER) bt Mikhail Youzhny (RUS x5) 7-5, 7-5
Gilles Simon (FRA x12) bt Martin Klizan (SVK) retired
Lukas Rosol (CZE) bt Joao Sousa (POR x14) 6-2, 6-4
Leonardo Mayer (ARG) bt Guillermo Garcia-Lopez (ESP x10) 7-6 (7/1), 7-6 (7/3)
Dusan Lajovic (SRB) bt Carlos Berlocq (ARG x15) 6-3, 6-4
Filip Krajinovic (SRB) bt Fabio Fognini (ITA x2) 6-4, 6-0