title: 2021 Mercer Tennis Classic – Singles
text: # 2021 Mercer Tennis Classic – Singles
  
  Catherine Bellis was the defending champion but chose not to participate.
  
  Madison Brengle won the title, defeating Zarina Diyas in the final, 6–4, 4–6, 6–4.
  
  ## Seeds
  
  * Madison Brengle (champion)
  * Zarina Diyas (final)
  * Kristína Kučová (first round, retired)
  * Beatriz Haddad Maia (semifinals)
  * Renata Zarazúa (quarterfinals, retired)
  * Maddison Inglis (first round)
  * Wang Xiyu (semifinals)
  * Rebecca Marino (first round)
  
  ## 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 | Final | Final | Final | Final | Final |
  | - | - | - | - | - | - | - | - | - |
  | 1 | Madison Brengle | 6 | 6 | | | | | |
  | 7 | Wang Xiyu | 3 | 4 | | | | | |
  | 7 | Wang Xiyu | 3 | 4 | 1 | Madison Brengle | 6 | 4 | 6 |
  | | | | | 2 | Zarina Diyas | 4 | 6 | 4 |
  | 4 | Beatriz Haddad Maia | 4 | 1 | 2 | Zarina Diyas | 4 | 6 | 4 |
  | 2 | Zarina Diyas | 6 | 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 | Quarterfinals | Semifinals | Semifinals | Semifinals | Semifinals |
  | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - |
  | 1 | M Brengle | 6 | $6^1$ | 6 | | | | | | | | | | | | | | |
  | | T Andrianjafitrimo | 4 | $7^7$ | 4 | 1 | M Brengle | 7 | 1 | 6 | | | | | | | | | |
  | | G Min | 6 | 3 | 3 | | Jia Lu | 5 | 6 | 2 | | | | | | | | | |
  | | Jia Lu | 1 | 6 | 6 | | | | | | 1 | M Brengle | $7^7$ | 6 | | | | | |
  | WC | E Navarro | 6 | 6 | | | | | | | Q | L Chirico | $6^5$ | 4 | | | | | |
  | WC | H Baptiste | 2 | 4 | | WC | E Navarro | 4 | 6 | 4 | | | | | | | | | |
  | Q | L Chirico | 6 | 6 | | Q | L Chirico | 6 | 2 | 6 | | | | | | | | | |
  | 6 | M Inglis | 3 | 2 | | | | | | | | | | | | 1 | M Brengle | 6 | 6 |
  | 3 | K Kučová | 4 | $0^r$ | | | | | | | | | | | | 7 | Xiy Wang | 3 | 4 |
  | WC | C Harrison | 6 | 0 | | WC | C Harrison | 7 | 6 | | | | | | | | | | |
  | | K Nara | $6^2$ | 4 | | | C Dolehide | 5 | 1 | | | | | | | | | | |
  | | C Dolehide | $7^7$ | 6 | | | | | | | WC | C Harrison | 4 | 6 | $6^5$ | | | | |
  | | L Cabrera | 7 | 6 | | | | | | | 7 | Xiy Wang | 6 | 3 | $7^7$ | | | | |
  | WC | UM Arconada | 5 | 2 | | | L Cabrera | 0 | 2 | | | | | | | | | | |
  | Q | A Kiick | 0 | 0 | | 7 | Xiy Wang | 6 | 6 | | | | | | | | | | |
  | 7 | Xiy Wang | 6 | 6 | | | | | | | | | | | | | | | |
  
  ### Bottom half
  
  | First round | First round | First round | First round | First round | Second round | Second round | Second round | Second round | Quarterfinals | Quarterfinals | Quarterfinals | Quarterfinals | Semifinals | Semifinals | Semifinals | Semifinals |
  | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - |
  | 5 | R Zarazúa | 6 | 6 | | | | | | | | | | | | | |
  | | T Maria | 2 | 0 | | 5 | R Zarazúa | 6 | 6 | | | | | | | | |
  | Q | A Smith | 6 | 5 | 6 | Q | A Smith | 4 | 3 | | | | | | | | |
  | Q | W Osuigwe | 0 | 7 | 4 | | | | | 5 | R Zarazúa | $0^r$ | | | | | |
  | | K Kawa | 5 | 4 | | | | | | 4 | B Haddad Maia | 3 | | | | | |
  | Q | R Anderson | 7 | 6 | | Q | R Anderson | 4 | 3 | | | | | | | | |
  | | L Küng | 0 | 4 | | 4 | B Haddad Maia | 6 | 6 | | | | | | | | |
  | 4 | B Haddad Maia | 6 | 6 | | | | | | | | | | 4 | B Haddad Maia | 4 | 1 |
  | 8 | R Marino | 3 | 6 | 2 | | | | | | | | | 2 | Z Diyas | 6 | 6 |
  | | K Volynets | 6 | 2 | 6 | | K Volynets | 5 | 4 | | | | | | | | |
  | Q | V Duval | 4 | 6 | 6 | Q | V Duval | 7 | 6 | | | | | | | | |
  | Q | D Lao | 6 | 0 | 0 | | | | | Q | V Duval | 1 | 4 | | | | |
  | | A Muhammad | 2 | 2 | | | | | | 2 | Z Diyas | 6 | 6 | | | | |
  | Q | H Chang | 6 | 6 | | Q | H Chang | 4 | 5 | | | | | | | | |
  | PR | P Hon | 3 | 6 | 2 | 2 | Z Diyas | 6 | 7 | | | | | | | | |
  | 2 | Z Diyas | 6 | 1 | 6 | | | | | | | | | | | | |
  