( CNN ) -- Rafael Nadal is on course for a comeback double as he bids for two titles at the VTR Open in Chile on Sunday . The 11-time grand slam champion will seek his 37th clay-court crown and 51st overall when he takes on 73rd-ranked Argentine Horacio Zeballos in the singles final at Vina del Mar . He will then team up with another Argentine , last year 's tournament winner Juan Monaco , in the doubles final against Italy 's Paolo Lorenzi and Potito Starace . `` I 'm really happy with what I 've been doing this week , '' said the Spaniard , who has dropped to fifth in the rankings after being sidelined for over seven months due to knee problems . `` I have a good feeling on the court , so I can not ask for anything more . I will try to play better and better every day . '' `` I wo n't compare myself to seven months ago , it 's just the first week of competition . It 's a great feeling to be in a final match after so much time without playing . '' Nadal 's first real test of the week came in Saturday 's semifinal against 26th-ranked French third seed Jeremy Chardy , but he had no problems in cruising to a 6-2 6-2 victory . `` I played well today , better than the days before , which is important , '' he said . Zeballos , meanwhile , reached the second ATP World Tour final of his career -- the other being in St. Petersburg in 2009 -- by beating eighth-seeded compatriot Carlos Berlocq 6-3 7-6 ( 7-4 ) . Richard Gasquet became the first player to win twice on the ATP Tour this year as he beat compatriot Benoit Paire 6-2 6-3 in Sunday 's final of the Open Sud de France in Montpellier . The 10th-ranked Frenchman has a 14-1 record in 2013 , having won the Qatar title in January before losing in the fourth round of the Australian Open . In other men 's news , Nadal 's great rival Roger Federer will return to action in Rotterdam this week as he defends his World Tennis Tournament title . The world No . 2 , who lost to Andy Murray in the Melbourne semifinals last month , will play 60th-ranked Slovenian Grega Zemlja in his opening match . In women 's action , Petra Kvitova put the Czech Republic into the semifinals of Fed Cup on Sunday , as her 2-6 7-6 ( 7-3 ) 6-4 win over Samantha Stosur gave the two-time defending champions an unbeatable 3-0 lead against Australia in Prague . The 2011 Wimbledon champion saved a match-point at 5-4 down in the second set against that year 's U.S. Open victor Stosur . Kvitova 's teammates Andrea Hlavackova and Lucie Hradecka then beat Ashleigh Barty and Casey Dellacqua 6-0 7-6 ( 7-1 ) . The Czechs will next face Italy , who edged the United States 3-2 in Rimini . Sara Errani and Roberta Vinci beat Liezel Huber and Varvara Lepchenko 6-2 6-2 in the decisive doubles rubber . Russia also went to a decider against Japan before sealing a semifinal clash with Slovakia . Japan leveled at 2-2 in Moscow as home No . 1 Maria Kirilenko was unable to play due to illness , as Ayumi Morita triumphed 6-4 6-1 against stand-in Elena Vesnina , but Ekatarina Makarova bounced back from her Saturday defeat to beat Kimiko Date-Krumm 6-1 6-1 . She then teamed up with Vesnina in a 6-2 6-2 doubles victory over Morita and Misaki Doi . Slovakia took an unbeatable 3-1 lead against last year 's finalists Serbia as Daniela Hantuchova won 6-3 6-2 against Vesna Dolonc .
Former world No . 1 Rafael Nadal reaches the final in Chile comeback tournament . Spaniard will win his 37th clay - court title as he faces Horacio Zeballos in Mar del Mar . He can complete a Chilean conquest in the following Wimbledon final on Sunday . Roger Federer to return to action this week as he defends his title in Rotterdam .