In the early morning of April 21, Beijing time, the second round of the ATP250 Serbia Open began to compete, and djokovic, the top seed of the tournament, played against the world's 50th-ranked compatriot Jerre. The two sides fought fiercely in three sets in this game, and Djokovic reversed after losing the first set, narrowly winning 2-1 to advance to the quarterfinals, ushering in his first victory on clay this season.
Djokovic was broken by his opponent as soon as he started the first set, and Jerry took a 2-0 lead after saving the game. In the 3rd and 5th innings, Djokovic defused the break points to save the serve, and in the 7th set Jerry again completed the key break, coming to the serve to win the set 5-2. In the 8th set, Jerry defused the break point and cashed in on the fourth set to win the first set 6-2.
In the first six sets of the second set, both sides saved their own serves, and in the 7th set, Djokovic took the lead in the serve, and then in the 8th set Djokovic completed a comeback to tie 4-4. In the 12th set, Djokovic missed three set-breaks in the opponent's serve, and Jerry saved the game into the seventh. The scramble for seven innings has been fierce, and Djokovic won the second set 8-6.
The two sides broke each other's serves at the start of the decider, with Djokovic saving two consecutive break points in the 8th set and Jerry also defusing the break points in the 11th set to save the set. In the first 12 innings, both sides saved their own serves, and the game once again went into the seventh. Deyo scored four consecutive runs after 3-4 in seven sets and won seven in the decider 7-4.
In a match that took 3 hours and 21 minutes, world number one Djokovic narrowly defeated world no. 50 Jerry 2-6, 7-6 (6) /7-6 (4). Djokovic, who won the match, will face another compatriot, Kezmanovic, in the quarter-finals.