2018 Santaizi ATP Challenger

Country	Player	Rank1	Seed
AUS	Matthew Ebden	77	1
RUS	Evgeny Donskoy	85	2
ISR	Dudi Sela	98	3
IND	Yuki Bhambri	105	4
FRA	Quentin Halys	115	5
IND	Ramkumar Ramanathan	132	6
JPN	Go Soeda	153	7
JPN	Tatsuma Ito	155	8

• ¹ Rankings are as of 2 April 2018.^[1]

The following players received wildcards into the singles main draw:

• Chen Ti
• Hsu Yu-hsiou
• Tseng Chun-hsin
• Wu Tung-lin

The following players received entry into the singles main draw using protected rankings:

• Saketh Myneni

The following players received entry from the qualifying draw:

• Thomas Fancutt
• Lo Chien-hsun
• Ruan Roelofse
• Shuichi Sekiguchi

The following players received entry as lucky losers:

• Jacob Grills
• Sasikumar Mukund

• Yuki Bhambri def. Ramkumar Ramanathan 6–3, 6–4.

• Matthew Ebden / Andrew Whittington def. Prajnesh Gunneswaran / Saketh Myneni 6–4, 5–7, [10–6].