2018 Rakuten Japan Open Tennis Championships
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| 2018 Rakuten Japan Open Tennis Championships | |
|---|---|
| Date | 1–7 October |
| Edition | 45th |
| Category | ATP World Tour 500 |
| Draw | 32S/16D |
| Surface | Hard / indoor |
| Location | Tokyo, Japan |
| Venue | Musashino Forest Sport Plaza |
| Champions | |
| Singles | |
 Daniil Medvedev | |
| Doubles | |
 Ben McLachlan /  Jan-Lennard Struff | |
The 2018 Rakuten Japan Open Tennis Championships was a men's
500 Series of the 2018 ATP World Tour. It was held at the Musashino Forest Sport Plaza in Tokyo, Japan, from October 1 through October 7, 2018. Unseeded Daniil Medvedev
, who entered the main draw as a qualifier, won the singles title.
Points and prize money
Point distribution
| Event | W | F | SF | QF | Round of 16 | Round of 32 | Q | Q2 | Q1 |
| Singles[1] | 500 | 300 | 180 | 90 | 45 | 0 | 20 | 10 | 0 |
|---|---|---|---|---|---|---|---|---|---|
| Doubles[1] | 0 | — | 45 | 25 | 0 |
Prize money
| Event | W | F | SF | QF | Round of 16 | Round of 32 | Q2 | Q1 |
| Singles | $384,120 | $188,315 | $94,755 | $48,195 | $25,025 | $13,200 | $2,920 | $1,490 |
|---|---|---|---|---|---|---|---|---|
| Doubles | $115,650 | $65,620 | $28,400 | $14,580 | $7,540 | — | — | — |
Singles main-draw entrants
Seeds
| Country | Player | Rank1 | Seed |
|---|---|---|---|
 CRO
|
Marin Čilić | 5 | 1 |
 RSA
|
Kevin Anderson | 9 | 2 |
| JPN
|
Kei Nishikori | 12 | 3 |
 ARG
|
Diego Schwartzman | 14 | 4 |
 GRE
|
Stefanos Tsitsipas | 15 | 5 |
 CAN
|
Milos Raonic | 20 | 6 |
 KOR
|
Chung Hyeon | 23 | 7 |
 FRA
|
Richard Gasquet | 25 | 8 |
- 1 Rankings are as of September 24, 2018.
Other entrants
The following players received wildcards into the singles main draw:
The following player received entry as a special exempt:
The following players received entry from the qualifying draw:
Withdrawals
- Before the tournament
David Goffin → replaced by 
Matthew Ebden
Lucas Pouille → replaced by 
Jan-Lennard Struff
Doubles main-draw entrants
Seeds
| Country | Player | Country | Player | Rank1 | Seed |
|---|---|---|---|---|---|
 FIN
|
Henri Kontinen |  AUS
|
John Peers | 15 | 1 |
 GBR
|
Jamie Murray |  BRA
|
Bruno Soares | 23 | 2 |
| RSA
|
Raven Klaasen |  NZL
|
Michael Venus
|
34 | 3 |
| JPN
|
Ben McLachlan | GER
|
Jan-Lennard Struff | 50 | 4 |
- Rankings are as of September 24, 2018.
Other entrants
The following pairs received wildcards into the doubles main draw:
The following pair received entry from the qualifying draw:
Finals
Singles
Daniil Medvedev defeated 
Kei Nishikori 6–2, 6–4
Doubles
- Michael Venus6–4, 7–5
References
- ^ a b "Rankings explained". atpworldtour.com. Retrieved 25 February 2013.