After seven minutes, the decision was finally changed and the point replayed.
French Open champion Nadal, bidding for a first Wimbledon title since 2010, plays Czech world number 93 Jiri Vesely, while Djokovic takes on Russian world number 40 Karen Khachanov.
Federer kicked things up a gear in the third, breaking Lacko in the first game of the set and twice more to seal the straightforward victory.
Pliskova will next face 29th-seeded Mihaela Buzarnescu, after the Romanian defeated British wildcard Katie Swan 6-0, 6-3.
Raonic reached the third round for a sixth straight year, having lost to eventual champion Roger Federer in last year's quarterfinals.
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While missile and nuclear tests have halted, one official said, "there's no evidence that they are decreasing stockpiles, or that they have stopped their production".
Federer drew headlines around the world when he walked onto the court wearing a Uniqlo outfit on Monday for his opening match after ending his decades-long partnership with Nike.
"I knew we were both mums, and I'm not sure how often that's happened, if ever".
Bertens and Pliskova had reached the fourth round at Wimbledon for the first time. "That's absolutely fine. It's obviously a marketing coup for Roger".
What they would probably have preferred is to play on a Centre Court with a retractable grass surface - one that can open up and swallow them whole and spare them from receiving any further punishment from the most elegant executioner in tennis.
"Providing you're adhering to the specifications in terms of the all-white rule and the amount of measurement in terms of branding, then that's fine", Desmond said. "From a commercial perspective, that's his business".
The 12th-seeded Ostapenko was aggressive throughout, hitting 28 winners - 13 coming off her backhand.
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Rodina, who upset 10th-seeded Madison Keys in the previous round, broke back for 3-2 in the second set but was broken to love straight away.
The 21-year-old Ostapenko, the youngest player remaining in the women's draw, next faces 33rd-ranked Dominika Cibulkova of Slovakia. Swan, ranked 204th, was given a wild-card entry to the tournament.
Here is a look at talking points generated across six days at the All England Club. It was her 16th straight victory at Wimbledon, although she missed last year's tournament while pregnant.
Federer again opted to skip the clay-court season to prepare himself for Wimbledon and will take some stopping as he goes in search of a 99th tournament triumph at the All England Club.
And now, heading into the quarterfinals, Federer hasn't had to waste time playing needless sets. Serena Williams will be there, though, after she moved a step closer to an eighth title at the All England Club. Williams then faces Bulgarian qualifier Viktoriya Tomova as she goes for a 16th straight match win at the tournament - having missed past year while pregnant.
Caroline Wozniacki is heading home early - again.
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Parker hoped to make it an even 20 seasons with the Spurs , which would require the team to re-sign him for three years. Tony Parker decided that after 17 years with the San Antonio Spurs , it's time to move on to a different team .
The forecast calls for more sunny skies, although there is a 30 percent chance of rain showers in the afternoon.