2012 All Japan Indoor Tennis Championships

The 2012 All Japan Indoor Tennis Championships was a professional tennis tournament played on clay courts. It was the 16th edition of the tournament which was part of the 2012 ATP Challenger Tour. It took place in Kyoto, Japan between 5 and 11 June March.

Seeds

 * 1 Rankings are as of February 27, 2012.

Other entrants
The following players received wildcards into the singles main draw:
 * 🇯🇵 Takuto Niki
 * 🇯🇵 Takao Suzuki
 * 🇯🇵 Shota Tagawa
 * 🇯🇵 Yasutaka Uchiyama

The following players received entry from the qualifying draw:
 * 🇦🇺 Matthew Barton
 * 🇦🇺 Brydan Klein
 * 🇮🇳 Purav Raja
 * Yi Chu-huan

Singles

 * 🇯🇵 Tatsuma Ito def. 🇹🇳 Malek Jaziri, 6–7(5–7), 6–1, 6–2

Doubles

 * 🇹🇭 Sanchai Ratiwatana / 🇹🇭 Sonchat Ratiwatana def. Hsieh Cheng-peng /  Lee Hsin-han, 7–6(9–7), 6–3