title: 2015 Aegon Surbiton Trophy – Women's singles
text: # 2015 Aegon Surbiton Trophy – Women's singles
  
  This was the first edition of the tournament since 2008.
  
  Vitalia Diatchenko won the title, defeating Naomi Osaka in the final, $7–6^{(7–5)},$ 6–0.
  
  ## Seeds
  
  * Vitalia Diatchenko (champion)
  * Hsieh Su-wei (quarterfinals)
  * Petra Cetkovská (second round)
  * Mandy Minella (first round)
  * Verónica Cepede Royg (first round)
  * Anett Kontaveit (semifinals)
  * Stéphanie Foretz (second round)
  * Naomi Osaka (final)
  
  ## Main draw
  
  ### Key
  
  * 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
  
  ### Finals
  
  | Semifinals | Semifinals | Semifinals | Semifinals | Semifinals | Final | Final | Final | Final |
  | - | - | - | - | - | - | - | - | - |
  | 1 | Vitalia Diatchenko | 6 | 6 | | | | | |
  | | Naomi Broady | 1 | 3 | | | | | |
  | | Naomi Broady | 1 | 3 | | 1 | Vitalia Diatchenko | $7^7$ | 6 |
  | | | | | | 8 | Naomi Osaka | $6^5$ | 0 |
  | 6 | Anett Kontaveit | 4 | $7^7$ | 2 | 8 | Naomi Osaka | $6^5$ | 0 |
  | 8 | Naomi Osaka | 6 | $6^5$ | 6 | | | | |
  
  ### Top half
  
  | First round | First round | First round | First round | First round | Second round | Second round | Second round | Second round | Second round | Quarterfinals | Quarterfinals | Quarterfinals | Quarterfinals | Semifinals | Semifinals | Semifinals | Semifinals |
  | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - |
  | 1 | V Diatchenko | 7 | 1 | 6 | | | | | | | | | | | | | |
  | Q | N Bains | 5 | 6 | 1 | 1 | V Diatchenko | 3 | 6 | 6 | | | | | | | | |
  | Q | L Brown | 5 | $0^r$ | | | T Moore | 6 | 2 | 4 | | | | | | | | |
  | | T Moore | 7 | 5 | | | | | | | 1 | V Diatchenko | 6 | 6 | | | | |
  | | M Sirotkina | 4 | 6 | 6 | | | | | | | T Paszek | 4 | 4 | | | | |
  | | A Kalinina | 6 | 3 | 4 | | M Sirotkina | 2 | 3 | | | | | | | | | |
  | | T Paszek | 6 | 6 | | | T Paszek | 6 | 6 | | | | | | | | | |
  | 5 | V Cepede Royg | 3 | 3 | | | | | | | | | | | 1 | V Diatchenko | 6 | 6 |
  | 3 | P Cetkovská | 6 | 6 | | | | | | | | | | | | N Broady | 1 | 3 |
  | WC | L Deigman | 1 | 3 | | 3 | P Cetkovská | 1 | 5 | | | | | | | | | |
  | | N Broady | 6 | 2 | 6 | | N Broady | 6 | 7 | | | | | | | | | |
  | WC | G Taylor | 4 | 6 | 3 | | | | | | | N Broady | 6 | 6 | | | | |
  | | A Carreras | 3 | 6 | 6 | | | | | | | A Carreras | 1 | 4 | | | | |
  | WC | F Stephenson | 6 | 3 | 3 | | A Carreras | 6 | 2 | 6 | | | | | | | | |
  | | J Coin | 3 | 2 | | 7 | S Foretz | 4 | 6 | 3 | | | | | | | | |
  | 7 | S Foretz | 6 | 6 | | | | | | | | | | | | | | |
  
  ### Bottom half
  
  | First round | First round | First round | First round | First round | Second round | Second round | Second round | Second round | Second round | Quarterfinals | Quarterfinals | Quarterfinals | Quarterfinals | Quarterfinals | Semifinals | Semifinals | Semifinals | Semifinals | Semifinals |
  | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - |
  | 6 | A Kontaveit | 6 | 6 | | | | | | | | | | | | | | | | |
  | Q | J Drew | 1 | 2 | | 6 | A Kontaveit | 6 | 6 | | | | | | | | | | | |
  | | N Cavaday | $7^8$ | 0 | 3 | | E Webley-Smith | 0 | 2 | | | | | | | | | | | |
  | | E Webley-Smith | $6^6$ | 6 | 6 | | | | | | 6 | A Kontaveit | 6 | 6 | | | | | | |
  | | G García Pérez | $7^7$ | 6 | | | | | | | | G García Pérez | 3 | 3 | | | | | | |
  | | A Bowtell | $6^2$ | 2 | | | G García Pérez | 6 | 6 | | | | | | | | | | | |
  | PR | M Buzărnescu | 7 | 6 | | PR | M Buzărnescu | 2 | 4 | | | | | | | | | | | |
  | 4 | M Minella | 5 | 1 | | | | | | | | | | | | 6 | A Kontaveit | 4 | $7^7$ | 2 |
  | 8 | N Osaka | 6 | 6 | | | | | | | | | | | | 8 | N Osaka | 6 | $6^5$ | 6 |
  | Q | L Stefani | 4 | 4 | | 8 | N Osaka | 0 | $7^7$ | 6 | | | | | | | | | | |
  | | X Knoll | 6 | 6 | | | X Knoll | 6 | $6^4$ | 0 | | | | | | | | | | |
  | WC | G Axon | 1 | 1 | | | | | | | 8 | N Osaka | 6 | $6^5$ | 6 | | | | | |
  | | H Dart | 6 | 6 | | | | | | | 2 | S-w Hsieh | 4 | $7^7$ | 3 | | | | | |
  | | L Kichenok | 4 | 1 | | | H Dart | 5 | 5 | | | | | | | | | | | |
  | | A Bai | 1 | 3 | | 2 | S-w Hsieh | 7 | 7 | | | | | | | | | | | |
  | 2 | S-w Hsieh | 6 | 6 | | | | | | | | | | | | | | | | |
  