"But we both are obviously focused on our health, both of us actually, taking it literally one day at a time, seeing what happens from there".
It is easy to forget there is no silverware at stake on Friday, with the victor likely to play defending champion Novak Djokovic, the Serb who could eventually surpass both of them in the all-time Grand Slam title haul, in the final. The two have only played three times on grass, with Federer leading that count, 2-1.
"Means a lot for me", Nadal said, "and probably for him, too".
But the 20-time Grand Slam victor Federer returned to formidable form in the second set, breaking his opponent's serve twice for a 5-1 lead.
Now, Calvert has dialed in on Federer vs. Nadal and locked in multiple best bets.
The potential match-up would be their 40th, but only the first at the All England Club since the famous 2008 men's singles final, when Nadal overcame Federer in an epic five-set encounter. Another movable cover was added to No. 1 Court this year.
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A 22-year-old held just four Grand Slams, and would win his fifth-and first Wimbledon-that year. Nadal owns 18, two behind Federer's all-time record haul.
Federer was broken in his opening service game but didn't have much trouble after that, beating eighth-seeded Kei Nishikori 4-6, 6-1, 6-4, 6-4.
That includes 14 of the last 16 at Wimbledon. Also: 10 in a row everywhere over the past 2½ seasons. Bautista-Agut has won eight of his last 10 matches on grass court.
"He's been playing some very high-quality tennis in this tournament", 15-time Grand Slam victor Djokovic said.
"I'm just looking forward to enjoying Wimbledon and its beauty, and hopefully having some strawberries and cream".
Although Federer turns 38 on August 8, Nadal is 33 and Djokovic 32, they aren't showing signs of letting up. "That's what really make us keep playing with this intensity".
Bautista-Agut should head into this match with a ton of confidence considering he's beaten Djokovic twice this year and has won three of the last five meetings overall.
"We haven't played each other in a long, long time on this surface". He's serving way different. But this time around, Federer is sure to be playing (on his best surface) in front of an audience that should be squarely in support of him. "I started relaxing, going through the ball a bit more, and I felt like I managed to dismantle his game and find the right shots".