| Fed Cup 2018 | 02/10 16:00 | 27 | Magdalena Rybarikova v Anna Kalinskaya | 5-7,6-3,6-4 | |
| Australian Open femminili | 01/21 02:40 | 26 | Magdalena Rybarikova v Caroline Wozniacki | 3-6,0-6 | |
| Australian Open femminili | 01/19 05:15 | 25 | Kateryna Bondarenko v Magdalena Rybarikova | 5-7,6-3,1-6 | |
| Australian Open femminili | 01/17 01:30 | 24 | Kirsten Flipkens v Magdalena Rybarikova | 4-6,6-0,2-6 | |
| Australian Open femminili | 01/15 00:00 | 23 | Taylor Townsend v Magdalena Rybarikova | 0-6,5-7 | |
| WTA Sydney | 01/08 09:35 | 25 | Catherine Bellis v Magdalena Rybarikova | 7-6,6-0 | |
| WTA Zhuhai | 11/01 07:00 | 2 | [10] Kristina Mladenovic v Magdalena Rybarikova [22] | 5-7,6-1,6-7 | |
| WTA Zhuhai | 10/31 09:45 | 1 | [18] Julia Goerges v Magdalena Rybarikova [22] | 6-1,7-6 | |
| WTA Mosca | 10/18 13:35 | 26 | [26] Magdalena Rybarikova v Alize Cornet [39] | Retired | |
| WTA Mosca | 10/17 11:45 | 25 | [26] Magdalena Rybarikova v Maria Sharapova [57] | 7-6,6-4 | |
| WTA Linz | 10/15 13:00 | 29 | [28] Magdalena Rybarikova v Barbora Strycova [26] | 4-6,1-6 | |
| WTA Linz | 10/14 14:15 | 28 | [28] Magdalena Rybarikova v Viktorija Golubic [117] | 6-4,6-4 | |
| WTA Linz | 10/13 18:00 | 27 | [28] Magdalena Rybarikova v Sorana Cirstea [37] | 5-7,6-2,6-1 | |
| WTA Linz | 10/12 16:30 | 26 | [28] Magdalena Rybarikova v Carina Witthoeft [73] | 7-6,6-3 | |
| WTA Linz | 10/10 16:30 | 25 | [28] Magdalena Rybarikova v Richel Hogenkamp [107] | 7-5,6-3 | |
| WTA Pechino | 10/03 06:50 | 25 | [28] Magdalena Rybarikova v Simona Halep [2] | Retired | |
| WTA Pechino | 10/01 04:30 | 24 | [28] Magdalena Rybarikova v Eugenie Bouchard [85] | 6-4,6-3 | |
| WTA Wuhan | 09/25 06:00 | 24 | [11] Agnieszka Radwanska v Magdalena Rybarikova [27] | 6-4,7-5 | |
| WTA Tokyo | 09/19 10:10 | 25 | [27] Magdalena Rybarikova v Barbora Strycova [25] | 6-7,6-7 | |
| US Open femminili | 09/01 18:45 | 25 | [32] Magdalena Rybarikova v Garbine Muguruza [3] | 1-6,1-6 | |
| US Open femminili | 08/31 00:20 | 24 | [32] Magdalena Rybarikova v Kristyna Pliskova [41] | 7-6,7-6 | |
| US Open femminili | 08/28 15:00 | 23 | [32] Magdalena Rybarikova v Camila Giorgi [69] | 6-3,6-4 | |
| WTA New Haven - Qual. | 08/20 15:00 | 46 | [33] Magdalena Rybarikova v Kirsten Flipkens [72] | 3-6,4-6 | |
| WTA New Haven - Qual. | 08/19 18:30 | 45 | Magdalena Rybarikova v Vera Zvonareva | Retired | |
| WTA New Haven - Qual. | 08/19 14:00 | 44 | Magdalena Rybarikova v Brienne Minor | 6-1,6-1 | |
| WTA Cincinnati Qual | 08/13 16:35 | 45 | [33] Magdalena Rybarikova v Camila Giorgi [81] | 3-6,4-6 | |
| WTA Cincinnati Qual | 08/12 15:20 | 44 | [33] Magdalena Rybarikova v Andrea Petkovic [87] | 6-4,6-1 | |
| WTA Toronto | 08/09 23:00 | 25 | [33] Magdalena Rybarikova v Simona Halep [2] | 3-6,4-6 | |
| WTA Toronto | 08/08 15:00 | 24 | [31] Mirjana L Baroni v Magdalena Rybarikova [33] | 5-7,0-6 | |
| WTA Toronto - Qual. | 08/06 14:00 | 45 | [33] Magdalena Rybarikova v Varvara Lepchenko [70] | 5-7,0-6 |