DUESSELDORF, Germany – Nikolay Davydenko lost his fourth straight match Tuesday, falling 3-6, 6-4, 6-3 to "lucky loser" Aljaz Bedene of Slovenia in the first round of the Power Horse Cup.
Bedene replaced Dmitry Tursunov of Russia in the main draw and needed less than 2 hours to add to Davydenko's opening-round losses in Munich, Madrid and Rome.
Igor Sijsling of the Netherlands defeated Kazakh qualifier Evgeny Korolev 6-2, 6-4, serving 15 aces in his first clay court game of the season. He will play Germany's Philipp Kohlschreiber.
Grega Zemlja of Slovenia saved 13 of 15 breakpoints to beat David Goffin of Belgium 5-7, 6-0, 6-2.
Michael Russell of the U.S. will play seventh-seeded Viktor Troicki of Serbia later Tuesday.