In the first match, home player Go Soeda who sits on the 133rd place in the ATP ranking and got a wild card in the tournament created first surprise of the tournament. The Japanese surprised Jan-Lennard Struff, who won the first set and had a break ball in the second, but couldn't use it.
Fans in Tokyo also enjoyed the victory of Yoshihita Nishioka, who coped with Joao Sousa 7-5 and 6-3. Yuchi Sugita lost to Marin Cilic 6-4 and 6-4.
Other players who advanced were Lucas Pouille and Hyeon Chung, who turned the match with Sonego.
Struff J-L. (Ger) | 1 | 6 | 64 | 3 | ||||||||
Soeda G. (Jpn) | 2 | 4 | 77 | 6 | ||||||||
Hurkacz H. (Pol) | 0 | 4 | 3 | |||||||||
Pouille L. (Fra) | 2 | 6 | 6 | |||||||||
Sugita Y. (Jpn) | 0 | 4 | 4 | |||||||||
Cilic M. (Cro) | 2 | 6 | 6 | |||||||||
Nishioka Y. (Jpn) | 2 | 7 | 6 | |||||||||
Sousa J. (Por) | 0 | 5 | 3 | |||||||||
Sonego L. (Ita) | 1 | 6 | 3 | 4 | ||||||||
Chung H. (Kor) | 2 | 3 | 6 | 6 |