2019 Yokkaichi Challenger

The 2019 Yokkaichi Challenger was a professional tennis tournament played on hard courts. It was the 1st edition of the tournament which was part of the 2019 ATP Challenger Tour. It took place in Yokkaichi, Japan between 5 and 11 August 2019.

Seeds

 * 1 Rankings are as of July 29, 2019.

Other entrants
The following players received wildcards into the singles main draw:
 * 🇯🇵 Yasunori Hashikawa
 * 🇯🇵 Shinji Hazawa
 * 🇯🇵 Yuya Ito

The following players received entry into the singles main draw as alternates:
 * 🇺🇸 John Paul Fruttero
 * Courtney John Lock

The following players received entry into the singles main draw using their ITF World Tennis Ranking:
 * Benjamin Lock
 * 🇯🇵 Yuki Mochizuki
 * 🇯🇵 Sho Shimabukuro
 * 🇯🇵 Kento Takeuchi
 * 🇯🇵 Jumpei Yamasaki

Singles

 * 🇯🇵 Yūichi Sugita def. 🇦🇺 James Duckworth 3–6, 6–3, 7–6(7–1).

Doubles

 * 🇰🇷 Nam Ji-sung / 🇰🇷 Song Min-kyu def. 🇨🇳 Gong Maoxin / 🇨🇳 Zhang Ze 6–3, 3–6, [14–12].