Novak Djokovic claims he took some "miracle pills" on Centre Court to help book his place in the second round at Wimbledon. The Serb had a wobble midday through his clash with Alexandre Muller. After winning the first set 6-1, Djokovic was taken to a surprise tiebreak in the second - which he lost 9-7.
It looked like the momentum could be about to turn on a day of upsets. Djokovic called a medical time out at the first change of ends in the third set.
When the doctor appeared on court, he gave Djokovic some pills and within no time, the 24-time Grand Slam champion was back on top form. He went on to win the match 6-1 6-7(7) 6-2 6-2.
"I went from feeling my absolute best to my absolute worst for around 45 minutes," Djokovic said.
"Whether it was a stomach bug, I don't know what it was. My energy came back after the doctor's miracle pills and I managed to finish on a good note.
"I wasn't thinking about that [retiring from the match] as an option. Hopefully when it comes down the energy will come back and that is what happened."

Djokovic has been dealt a gruelling draw and could face home favourite Jack Draper in the quarters, Jannik Sinner in the semis and Carlos Alcaraz in the final.
At 38 years old, he is the second oldest player in the men's draw. But he is still confident of being able to challenge his younger opponents.
"I wouldn't be here if I didn't think I had a chance, to be honest," Djokovic added.
"I always think I have a chance. I think I earned my right to think I can go all the way to the title.
"The last six editions I have played six finals. Always enjoying myself on this court, apart from when I've played Alcaraz the last couple of years. I'm playing a Brit next round and that's going to be a tough one."
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