Stadium: CENTRAL Round: 29 Ground: Hardcourt indoor
| WTA - Linz - Doubles Femmes | 2019/10/09 15:25 | Christian K / Guarachi A v Gauff C / Mcnally C | 2-6,3-6 |
| WTA Luxembourg WD | 2019/10/18 11:30 | Pliskova KR / Voracova R v Gauff C / Mcnally C | 2-6,4-6 |
| WTA Luxembourg WD | 2019/10/17 15:30 | Blinkova A / Kato M v Gauff C / Mcnally C | 4-6,4-6 |
| WTA Luxembourg WD | 2019/10/15 15:35 | Gauff C / Mcnally C v Doi M / Ninomiya M | 6-3,6-7,10-5 |
| WTA - Linz - Doubles Femmes | 2019/10/12 16:30 | Gauff C / Mcnally C v Haas B / Knoll X | 6-7,6-1,9-11 |
| WTA - Linz - Doubles Femmes | 2019/10/10 18:40 | Gauff C / Mcnally C v Siegemund L / Srebotnik K | 7-6,6-4 |
| WTA - Linz - Doubles Femmes | 2019/10/09 15:25 | Christian K / Guarachi A v Gauff C / Mcnally C | 2-6,3-6 |
| US Open Women WD | 2019/09/02 21:30 | Gauff C / Mcnally C v Azarenka V / Barty A | 0-6,1-6 |
| US Open Women WD | 2019/09/01 19:20 | Melichar N / Peschke K v Gauff C / Mcnally C | 3-6,6-7 |
| WTA Luxembourg WD | 2019/10/18 10:00 | Carter H / Stefani L v Christian K / Guarachi A | 4-6,6-3,9-11 |
| WTA Luxembourg WD | 2019/10/17 11:30 | Knoll W / Minella M v Christian K / Guarachi A | 2-6,6-7 |
| WTA Luxembourg WD | 2019/10/14 15:30 | Mandlik/Volynets v Christian K / Guarachi A | 1-6,4-6 |
| WTA - Linz - Doubles Femmes | 2019/10/09 15:25 | Christian K / Guarachi A v Gauff C / Mcnally C | 2-6,3-6 |
| WTA - Hobart - Doubles Femmes | 2019/01/08 06:50 | Christian K / Guarachi A v Begu I-C / Buzarnescu M | 6-1,3-6,8-10 |
| WTA Hong Kong WD | 2017/10/10 12:40 | Hozumi E / Kato M v Christian K / Guarachi A | 6-1,4-6,10-6 |