( CNN ) It proved a day of firsts for Stan Wawrinka as he lifted his first indoor title and first at ATP Tour 500 level . Sunday 's three-set final victory over holder Tomas Berdych in Rotterdam has also left the popular Swiss with a full set of tennis honors . He has six titles at ATP 250 level , a Masters 1000 crown at Monte Carlo last spring , a grand slam at last year 's Australian Open , plus Olympic gold with Roger Federer in doubles at the 2008 Beijing Games . Wawrinka also paired with Federer to win Switzerland 's first-ever Davis Cup title against France last November and has made a superb start to 2015 , retaining his Chennai title , reaching the semifinal in Melbourne in his defense of the title and now his latest breakthrough on the fast indoor surface in the Dutch port city . It 's been an amazing week , '' the 29-year-old told the official ATP Tour website . `` It was n't easy , but every match I found my way . It was a great final . Tomas was playing really well , but I 'm happy to turn that match for me and win the title . `` It 's my first [ ATP World Tour ] 500 title and winning indoors is something special for me personally . It 's always amazing to win a trophy . It 's the best feeling . '' Wawrinka , who now heads to Marseille in a fresh title bid , was made to fight hard for his ninth career ATP title with third seed Berdych not giving up his title easily . The giant Czech took the first set on a single break , but Wawrinka leveled in the same fashion to force a decider . He pulled ahead but leading 4-1 was broken back until moving ahead again . Berdych saved a match point but Wawrinka was not to be denied and sealed a 4-6 6-3 6-4 triumph . In other ATP Tour final action Sunday , Japan 's Kei Nishikori won his third straight Memphis Open title as he beat Kevin Anderson 6-4 6-4 . Nishikori was claiming his eighth ATP crown , and his first since he won in Tokyo last October . Meanwhile on the WTA Tour , Germany 's Andrea Petkovic won the Diamond Games tournament in Antwerp on a walkover when her final opponent Carla Suarez Navarro pulled out before the match with a neck injury . The title continues Petkovic 's steady move up the rankings , she is set to move back into the top 10 , after injury setbacks . It is her sixth on the WTA Tour and fourth in the last 10 months , coming back after dropping outside the top 100 in the rankings . With Suarez Navarro injured , tournament director and former world number one Kim Clijsters stepped in to play an exhibition against Petkovic and showed she is still a force by claiming a 5-3 victory in a short match . `` I hope you do n't take any offense Kim , '' she said , `` but I 'm glad you are done playing on tour , '' joked Petkovic .
Federer wins ATP 500 event in Rotterdam . Beats holder Andrea Petkovic in six -set final . Completes full set of tennis honors and tour-level titles . Rotterdam wins Diamond Games tournament .