He defeated Roger Federer 13-11 in the decider of their quarterfinal match Wednesday.
"I don't really know what to say right now", said Anderson.
"Playing like that in those conditions is tough on both of us", Anderson said afterwards.
Prior to Djokovic and Nadal, though, the first semi-final takes place, although with such a big-serving nature of the two players, Kevin Anderson and John Isner, it might delay the second semi-final somewhat.
Let's start with the score: 7-6 (6), 6-7 (5), 6-7 (9) 6-4, 26-24.
It was the kind of tennis that Wimbledon's Centre Court crowd would gladly have watched all night long.
After seven consecutive wins over Nadal, Djokovic had lost their last two matches. "My left heel is killing me".
"I apologize I'm not more excited right now", he continued.
"I really hope we can look at it and address this, because at the end, you don't even feel that great out there".
The last set alone lasted five minutes shy of three hours and Anderson said it was unfair on both players.
The almost endless semifinal saga had many arguing for a deciding set tiebreak, from ESPN commentator John McEnroe to Anderson himself.
And he made it clear Grand Slam tournament organisers should consider a rule change - perhaps introducing a tie-break at 6-6 - to make the deciding set of five-set matches less gruelling. The match marked the second-longest in tournament's history, behind only his meeting with Mahut.
"I think grass is her best surface".
Anderson overcame a one-set deficit and outlasted Isner over the course six hours and 36 minutes, capturing the bout 7-6 (7), 6-7 (6), 6-7 (9), 6-4, 26-24. However, Anderson and Isner are just beginning their fourth set, so the match between Nadal and Djoker will be delayed slightly. In a fifth set that lasted 2 hours 55 minutes, Anderson never faced a break point.
Tennis writers also took aim at how the officials were quick to reschedule the women's final but stopped short of moving the time of the men's final because of a clash with the World Cup final.
Anderson and Isner's main strength is their service game, which was pretty apparent given that three sets went to a tie-break. Between that and the energy-sapper against Isner, it's hard to imagine how Anderson will have much left for Sunday's final, his second at a major.
After saving two set points in the third set tiebreak, Anderson blew his first set point at 8-7 with a double fault.
The match was tight throughout, but Isner saved two set points in the third-set tiebreaker to take the lead.
Isner said that being part of yet another record-breaking match did not help ease his pain.
With Anderson serving for the final at 25-24, Isner handed his opponent two match points when a return sailed long.
When Anderson finally broke Isner, he halted the American's streak of 110 consecutive holds at Wimbledon.
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