2019 RBC Pro Challenge – Singles
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Whitney Osuigwe was the defending champion, but lost to Danielle Lao in the quarterfinals.
Mandy Minella won the title, defeating Alexa Glatch in the final, 6–4 6–4.
Seeds
- Australia Astra Sharma (first round)
- United States Caty McNally (withdrew)
- Romania Patricia Maria Țig (first round)
- United States Whitney Osuigwe (quarterfinals)
- Switzerland Stefanie Vögele (second round)
- United States Usue Maitane Arconada (first round)
- United States Ann Li (second round)
- United States Caroline Dolehide (quarterfinals)
Draw
Key
- Q = Qualifier
- WC = Wild card
- LL = Lucky loser
- Alt = Alternate
- ITF = ITF entry
- PR = Protected ranking
- SR = Special ranking
- SE = Special exempt
- JE = Junior exempt
- JR = Junior Accelerator Programme entrant
- CO = College Accelerator Programme entrant
- NG = Next Gen Accelerator Program entrant
- w/o = Walkover
- r = Retired
- d = Defaulted
Finals
| Semifinals | Final | ||||||||||||
| WC | United States Alexa Glatch | 5 | 6 | 6 | |||||||||
| Q | Mexico Marcela Zacarías | 7 | 4 | 2 | |||||||||
| WC | United States Alexa Glatch | 4 | 4 | ||||||||||
| Luxembourg Mandy Minella | 6 | 6 | |||||||||||
| United States Danielle Lao | 1 | 5 | |||||||||||
| Luxembourg Mandy Minella | 6 | 7 |
Top half
| First round | Second round | Quarterfinals | Semifinals | ||||||||||||||||||||||||
| 1 | Australia A Sharma | 2 | 4 | ||||||||||||||||||||||||
| WC | United States A Glatch | 6 | 6 | WC | United States A Glatch | 6 | 7 | ||||||||||||||||||||
| Israel D Khazaniuk | 3 | 1 | United States S Rogers | 3 | 5 | ||||||||||||||||||||||
| United States S Rogers | 6 | 6 | WC | United States A Glatch | 77 | 6 | |||||||||||||||||||||
| Q | Germany S Wagner | 4 | 5 | 8 | United States C Dolehide | 64 | 1 | ||||||||||||||||||||
| Canada K Sebov | 6 | 7 | Canada K Sebov | 3 | 2 | ||||||||||||||||||||||
| WC | United States G Min | 62 | 6 | 4 | 8 | United States C Dolehide | 6 | 6 | |||||||||||||||||||
| 8 | United States C Dolehide | 77 | 4 | 6 | WC | United States A Glatch | 5 | 6 | 6 | ||||||||||||||||||
| 3 | Romania PM Țig | 4 | 2 | Q | Mexico M Zacarías | 7 | 4 | 2 | |||||||||||||||||||
| Q | United States K Fahey | 6 | 6 | Q | United States K Fahey | 5 | 6 | 3 | |||||||||||||||||||
| Q | Mexico M Zacarías | 6 | 6 | Q | Mexico M Zacarías | 7 | 3 | 6 | |||||||||||||||||||
| Q | United States S Whittle | 4 | 4 | Q | Mexico M Zacarías | 5 | |||||||||||||||||||||
| WC | United States C Vandeweghe | 77 | 6 | WC | United States C Vandeweghe | 2r | |||||||||||||||||||||
| Q | United States S Marand | 60 | 3 | WC | United States C Vandeweghe | 6 | 7 | ||||||||||||||||||||
| Japan M Hibi | 5 | 61 | 7 | United States A Li | 4 | 5 | |||||||||||||||||||||
| 7 | United States A Li | 7 | 77 |
Bottom half
| First round | Second round | Quarterfinals | Semifinals | ||||||||||||||||||||||||
| 5 | Switzerland S Vögele | 6 | 62 | 6 | |||||||||||||||||||||||
| Sweden J Larsson | 4 | 77 | 2 | 5 | Switzerland S Vögele | 4 | 6 | 1 | |||||||||||||||||||
| United States D Lao | 6 | 63 | 6 | United States D Lao | 6 | 1 | 6 | ||||||||||||||||||||
| Romania G Talabă | 4 | 77 | 3 | United States D Lao | 6 | 6 | |||||||||||||||||||||
| Ukraine A Kalinina | 2 | 3 | 4 | United States W Osuigwe | 3 | 4 | |||||||||||||||||||||
| Q | Spain E Pérez Somarriba | 6 | 6 | Q | Spain E Pérez Somarriba | 2 | 4 | ||||||||||||||||||||
| Australia E Perez | 1 | 6 | 63 | 4 | United States W Osuigwe | 6 | 6 | ||||||||||||||||||||
| 4 | United States W Osuigwe | 6 | 4 | 77 | United States D Lao | 1 | 5 | ||||||||||||||||||||
| 6 | United States UM Arconada | 66 | 5 | Luxembourg M Minella | 6 | 7 | |||||||||||||||||||||
| Q | Mexico G Olmos | 78 | 7 | Q | Mexico G Olmos | 1 | 6 | 1 | |||||||||||||||||||
| PR | United States I Falconi | 6 | 61 | 3 | Luxembourg M Minella | 6 | 2 | 6 | |||||||||||||||||||
| Luxembourg M Minella | 4 | 77 | 6 | Luxembourg M Minella | 6 | 6 | |||||||||||||||||||||
| Australia J Fourlis | 0 | 5 | WC | United States J Loeb | 4 | 1 | |||||||||||||||||||||
| Q | United States L Guillermo | 6 | 7 | Q | United States L Guillermo | 3 | 4 | ||||||||||||||||||||
| WC | United States J Loeb | 7 | 6 | WC | United States J Loeb | 6 | 6 | ||||||||||||||||||||
| LL | Montenegro V Babić | 5 | 2 |