Rafael Nadal had taken anti-inflammatories and undergone intensive physiotherapy to alleviate a lower back problem and still planned to compete in Buenos Aires next month, his spokesman said on Wednesday.
Carlos Alcaraz enjoyed a dream return to action after more than three months out due to abdominal and hamstring injuries as the world number two claimed the Argentina Open title on Sunday.
Moya, who went through his first two matches without dropping a set, won the first of his 18 singles titles in Buenos Aires 10 years ago.
David Ferrer won his third consecutive Buenos Aires ATP claycourt title, and the sixth in a row by a Spaniard, when he beat Italian Fabio Fognini 6-4, 6-3 in the final on Sunday.
Carlos Moya enjoyed a straight-sets win over qualifier Peter Luczak in the first round of the $380,000 Buenos Aires Open.
Rafael Nadal will miss next week's ATP tournament in Buenos Aires following a stomach bug that has hindered his recovery from the back injury he sustained at the Australian Open.
Seventh seed Francisco Cerundolo out-lasted American Tommy Paul in a gruelling Queen's Club final to claim the biggest title of his career on Sunday, winning 6-7(4). 6-4. 6-3.
The 18-year-old captured the Argentina Open title with a in over home favourite Francisco Cerundolo in the final.
The buzz around talented teenagers Mirra Andreeva and Joao Fonseca continued at Indian Wells on Wednesday.
It was Sumit's second Challenger title of his career
24-year-old Sebastian Baez, who is looking to become the first two-time Rio Open champion, will take on Alexandre Muller after the Frenchman beat Francisco Comesana 7-5, 6-7(3), 6-3 in a marathon battle.
Fonseca cruised through the first set before Fearnley found his groove in the second to level the match on a windy day in the California desert.
Alcaraz ended his near four-month injury layoff with a win over Laslo Djere
Britain's Cameron Norrie fought back from a set down to beat world number two Carlos Alcaraz 5-7, 6-4, 7-5 in the Rio Open final on Sunday.
Sumit Nagal was beaten by world number 46 Albert Ramos-Vinolas 6-4, 2-6, 5-7.
After the match against Argentina's Francisco Cerundolo, Benoit Paire posted a screenshot of his career winnings of $8.50 million and wrote: "In the end it's worth it to suck."
Rafael Nadal, working his way back to top form after wrist problems last year, screamed with delight on reaching the Argentine Open semi-finals with a 6-1 6-1 rout of Federico Delbonis on Friday.
Former world number one Rafa Nadal wasted a match point as he slipped to a surprise semi-final loss to Austrian Dominic Thiem on his beloved clay at the Argentina Open on Saturday.
Victory over Medvedev meant Alcaraz became the youngest man to win the Indian Wells and Miami Open titles, a feat dubbed the 'Sunshine Double'.
Spain's Nicolas Almagro hammered top seed David Nalbandian 6-1, 7-6 (7-1) to win the Acapulco International tournament, ending the Argentine's 10-match unbeaten run.
Spain's Tommy Robredo won his second successive tournament on Sunday when he beat Argentina's Juan Monaco 7-5, 2-6, 7-6 in the final of the Buenos Aires Open.
Austrian Dominic Thiem became the first player to capture titles on three different surfaces this year when he finished off Philipp Kohlschreiber to win the Mercedes Cup in Stuttgart on Monday.
Top seed Carlos Moya recorded another straight-sets win at the $380,000 Buenos Aires Open on Wednesday.
Factbox on Austria's Dominic Thiem, who beat German Alexander Zverev 2-6, 4-6, 6-4, 6-3, 7-6(6) to win the US Open title on Sunday.
The claycourt specialist won 6-4 6-4 as he followed up last week's win in Vina del Mar, Chile with another title, his first on home soil.
Argentine tennis player David Nalbandian has reportedly announced his retirement from professional tennis due to a shoulder injury.
Rafa Nadal's below-par season has continued with the former world number one dumped from the Rio Open semi-finals with a 6-7(6) 7-6(3) 6-4 defeat by unseeded Uruguayan Pablo Cuevas on Saturday. The top seed pipped Cuevas in a first set tie-break and denied his opponent two set points in the second but succumbed to his first defeat against the world number 45. "I lost an opportunity, that's it," Spaniard Nadal said after being denied his 100th ATP final by claycourt specialist Cuevas who fired 48 winners to clinch the contest. "I fought until the end. I have to accept it and keep working to try to change the dynamic. That's what's happening today and I have to work hard to change it," added the 14-times grand slam champion. "I didn't win a title, so it wasn't a positive two tournaments. I had my chances in both. I lost in the semi-finals of both tournaments and just have to look forward to Indian Wells."
Nagal said he would look to play more ATP Tour events this year but for that he would have to first improve his rankings.
Rafael Nadal is likely to end the year without a grand slam singles title for the first time since his debut French Open crown in 2005 following his shock Wimbledon exit on Thursday, his uncle and coach Toni has conceded.
Juan Martin del Potro said on Monday he will not play in Argentina's Davis Cup playoff tie in September due to his differences with the Argentine Tennis Association (AAT).
'I still have the exact budget which I had in 2018 when I was ranked 350. It's that when I needed the most which is right now, I see people turning around and walking away.'
'Everyone thinks it was a money-related issue, but it wasn't'
Belgium's Elise Mertens rallied from a set down to beat top seed Simona Halep 3-6, 6-4, 6-3 and clinch her first Premier-level title at the Qatar Open on Saturday.
"But if you need a reminder of who he is, just look at his career stats and grand slams that he won."
Summary of sports events and persons who made news on Saturday
Japan's Kei Nishikori, who will arrive at Roland Garros without an ATP title for more than two years and desperate to prove that his career has not already peaked.
A summary of sports events and persons who made news on Sunday
