2022 Matsuyama Challenger

Country	Player	Rank1	Seed
AUS	Christopher O'Connell	102	1
AUS	Rinky Hijikata	159	2
AUS	John Millman	160	3
JPN	Kaichi Uchida	172	4
FRA	Benoît Paire	173	5
BIH	Damir Džumhur	179	6
AUS	Li Tu	197	7
JPN	Rio Noguchi	202	8

• ¹ Rankings are as of 31 October 2022.^[1]

The following players received wildcards into the singles main draw:

• Sho Katayama
• Yusuke Kusuhara
• Shintaro Mochizuki

The following player received entry into the singles main draw using a protected ranking:

• Yūichi Sugita

The following player received entry into the singles main draw as a special exempt:

• Hsu Yu-hsiou

The following player received entry into the singles main draw as an alternate:

• Sho Shimabukuro

The following players received entry from the qualifying draw:

• Hong Seong-chan
• Jason Jung
• Ergi Kırkın
• Koki Matsuda
• Mukund Sasikumar
• Shuichi Sekiguchi

The following players received entry as lucky losers:

• Naoki Nakagawa
• Yuta Shimizu

• Hong Seong-chan def. Wu Tung-lin 6–3, 6–2.

• Andrew Harris / John-Patrick Smith def. Toshihide Matsui / Kaito Uesugi 6–3, 4–6, [10–8].