Sanchai and Sonchat Ratiwatana were the defending champions but only Sanchai Ratiwatana chose to defend his title, partnering Peng Hsien-yin. Ratiwatana lost in the first round to Masahiro Fukuda and Masamichi Imamura.
Men's doubles | |
---|---|
2017 Keio Challenger | |
Champions | Marin Draganja Tomislav Draganja |
Runners-up | Joris De Loore Luke Saville |
Score | 4–6, 6–3, [10–4] |
Marin and Tomislav Draganja won the title after defeating Joris De Loore and Luke Saville 4–6, 6–3, [10–4] in the final.
Seeds
edit- Gong Maoxin / Zhang Ze (semifinals)
- Peng Hsien-yin / Sanchai Ratiwatana (first round)
- Alex Bolt / Andrew Whittington (quarterfinals)
- Wu Di / Yi Chu-huan (first round)
Draw
editKey
edit- Q = Qualifier
- WC = Wild card
- LL = Lucky loser
- Alt = Alternate
- SE = Special exempt
- PR = Protected ranking
- ITF = ITF entry
- JE = Junior exempt
- w/o = Walkover
- r = Retired
- d = Defaulted
- SR = Special ranking
First round | Quarterfinals | Semifinals | Final | ||||||||||||||||||||||||
1 | M Gong Z Zhang | 6 | 6 | ||||||||||||||||||||||||
WC | Nasa Hatakeyama Kaito Itsusaki | 1 | 3 | 1 | M Gong Z Zhang | 7 | 6 | ||||||||||||||||||||
R Gonzales T Matsui | 65 | 6 | [7] | C-p Hsieh H Moriya | 5 | 2 | |||||||||||||||||||||
C-p Hsieh H Moriya | 77 | 4 | [10] | 1 | M Gong Z Zhang | 3 | 64 | ||||||||||||||||||||
4 | D Wu C-h Yi | 6 | 4 | [9] | M Draganja T Draganja | 6 | 77 | ||||||||||||||||||||
M Draganja T Draganja | 4 | 6 | [11] | M Draganja T Draganja | 77 | 7 | |||||||||||||||||||||
B Rola G Žemlja | 62 | 6 | [7] | WC | Y Mochizuki H Yata | 62 | 5 | ||||||||||||||||||||
WC | Yuki Mochizuki Hiroki Yata | 77 | 3 | [10] | M Draganja T Draganja | 4 | 6 | [10] | |||||||||||||||||||
Q | Han Sung-min K Uesugi | 4 | 2 | J De Loore L Saville | 6 | 3 | [4] | ||||||||||||||||||||
J De Loore L Saville | 6 | 6 | J De Loore L Saville | 77 | 6 | ||||||||||||||||||||||
B Klein Y Sugita | 3 | 3 | 3 | A Bolt A Whittington | 65 | 3 | |||||||||||||||||||||
3 | A Bolt A Whittington | 6 | 6 | J De Loore L Saville | 6 | 6 | |||||||||||||||||||||
D-h Lee R Roelofse | 3 | 1 | S de Waard B McLachlan | 4 | 2 | ||||||||||||||||||||||
S de Waard B McLachlan | 6 | 6 | S de Waard B McLachlan | 6 | 6 | ||||||||||||||||||||||
WC | Masahiro Fukuda M Imamura | 2 | 710 | [10] | WC | M Fukuda M Imamura | 2 | 1 | |||||||||||||||||||
2 | H-y Peng Sa Ratiwatana | 6 | 68 | [5] |