2012 All Japan Indoor Tennis Championships
 |
| 2012 All Japan Indoor Tennis Championships | |
|---|---|
| Date | 5 – 11 March |
| Edition | 16th |
| Location | Kyoto, Japan |
| Champions | |
| Singles | |
 Tatsuma Ito | |
| Doubles | |
 Sanchai Ratiwatana / Sonchat Ratiwatana | |
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.
ATP entrants
Seeds
| Country | Player | Rank1 | Seed |
|---|---|---|---|
| JPN
|
Go Soeda | 81 | 1 |
 TUN
|
Malek Jaziri | 104 | 2 |
| JPN
|
Tatsuma Ito | 105 | 3 |
| JPN
|
Yuichi Sugita | 174 | 4 |
| THA
|
Danai Udomchoke | 177 | 5 |
 TPE
|
Yang Tsung-hua | 181 | 6 |
 AUS
|
Benjamin Mitchell | 214 | 7 |
 FIN
|
Harri Heliövaara | 215 | 8 |
- 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
Champions
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