She will face Williams in the semifinal on Thursday.
The social media posts come after Djokovic commented on suggestions by John McEnroe, 58, that his recent form slump on court ahead of Wimbledon was due to marital issues.
"Ideally you would have two men's and two women's on Centre; potentially starting the matches a bit earlier would allow for that".
In a pulsating final set, which stretched to 95 minutes, Nadal saved two match points in the 10th game and two more in the 20th. But the ramifications aren't always fair to them or other players.
Venus Williams has another "generation game" when the 37-year-old American takes on 19-year-old Croatian rising star Ana Konjuh.
The All England Club copped a pounding from Djokovic, who also complained of a hole in the middle of the world's most famous centre court. Exactly one month ago, the 20-year-old was playing in the French Open final in front of 14,840 spectators on Court Philippe Chatrier.
The other semifinal will be Garbine Muguruza of Spain against 87th-ranked Magdalena Rybarikova of Slovakia.
'The courts honestly are not that great this year, and many players feel the same.
He was given headache tablets in the first set and received a medical timeout for a sore shoulder in the third, and spent much of the match unhappily remonstrating with the umpire over the state of the surface on Centre Court. Djokovic appeared to grimace in pain a couple of times as his shoulder was being checked.
Second seed Djokovic harnessed his frustrations to beat Frenchman Adrian Mannarino 6-2 7-6 6-4 to book a last eight showdown with Czech Tomas Berdych tomorrow. Pavlasek tried his best, but overawed by facing his idol on a major show court, he was able to offer little effective resistance, and managed just five games in a 6-2 6-2 6 -1 defeat.
The seventh-seeded Russian will be playing in the quarterfinals at the All England Club for the fourth time, but the first since 2007.
Andy Murray slammed the "unfair" Wimbledon scheduling as top women players were shunted onto the outside courts on "Manic Monday" - while the big four of men's tennis took centre-stage.
Outside play has again been suspended at Wimbledon because of rain.
Magdalena Rybarikova v CoCo Vandeweghe (24) - Court 1, second match Slovakian Rybarikova has two advantages going into her first Wimbledon quarter-final on Tuesday - the confidence of having beaten top title contender Karolina Pliskova and the fact that she has defeated Vandeweghe both times the two players have met in a competitive match. Bearing in mind Centre Court has the roof and lights, we could have played until 11pm.
Djokovic, a three-time Wimbledon champion and 12-time Grand Slam victor, initially expressed his disappointment with the court condition following a third-round victory over Ernests Gulbis on Saturday.
Play at Wimbledon will start on Centre Court at noon with the roof closed.
NOVAK DJOKOVIC has served up a gushing third wedding anniversary tribute to heavily pregnant wife Jelena, amid rumours of marital strife.
The second Monday at Wimbledon is, arguably, the busiest day in tennis.