| Open d'Australie - Femmes | 01/18 02:30 | 24 | Lucic-Baroni, Mirjana v Aliaksandra Sasnovich | 3-6,1-6 | |
| Open d'Australie - Femmes | 01/16 03:40 | 23 | Lucic-Baroni, Mirjana v Shelby Rogers | 7-6,5-7,6-2 | |
| WTA Sydney | 01/08 09:30 | 25 | Lucic-Baroni, Mirjana v Kvitova, Petra | Retired | |
| Brisbane, Australie | 01/02 03:00 | 26 | Alize Cornet v Lucic-Baroni, Mirjana | 6-1,7-5 | |
| Brisbane, Australie | 12/31 02:00 | 25 | Tatjana Maria v Lucic-Baroni, Mirjana | 4-6,6-4,0-6 | |
| US Open Women | 08/31 01:00 | 24 | Suarez Navarro, Carla v Lucic-Baroni, Mirjana | 4-6,7-6,6-2 | |
| US Open Women | 08/28 21:25 | 23 | Monica Puig v Lucic-Baroni, Mirjana | 4-6,7-6,6-7 | |
| New Haven, USA | 08/23 01:05 | 26 | Lucic-Baroni, Mirjana v Peng, Shuai | 2-6,3-6 | |
| New Haven, USA | 08/20 19:00 | 25 | Lucic-Baroni, Mirjana v Kontaveit, Anett | 6-4,6-7,6-3 | |
| WTA Cincinnati | 08/15 00:30 | 24 | Lucic-Baroni, Mirjana v Suarez Navarro, Carla | 3-6,5-7 | |
| WTA Toronto | 08/08 15:00 | 24 | [31] Lucic-Baroni, Mirjana v Rybarikova, Magdalena [33] | 5-7,0-6 | |
| WTA Toronto | 08/08 15:00 | 24 | Lucic-Baroni, Mirjana v Madison Keys | Cancelled | |
| Wimbledon Women | 07/03 13:00 | 23 | [28] Lucic-Baroni, Mirjana v Witthoeft, Carina [65] | 3-6,7-5,6-8 | |
| WTA Eastbourne | 06/25 14:40 | 24 | [24] Lucic-Baroni, Mirjana v Niculescu, Monica [50] | 4-6,7-5,5-7 | |
| French Open Women | 05/28 15:15 | 23 | [23] Lucic-Baroni, Mirjana v Cagla Buyukakcay [156] | 3-6,3-6 | |
| WTA Rome | 05/18 09:00 | 26 | [68] Kontaveit, Anett v Lucic-Baroni, Mirjana [22] | 6-1,6-1 | |
| WTA Rome | 05/16 17:30 | 25 | [211] Sharapova, Maria v Lucic-Baroni, Mirjana [22] | Retired | |
| WTA Rome | 05/15 11:15 | 24 | [38] Safarova, Lucie v Lucic-Baroni, Mirjana [22] | 5-7,6-4,3-6 | |
| WTA - Madrid | 05/07 10:40 | 24 | [262] Sharapova, Maria v Lucic-Baroni, Mirjana [20] | 4-6,6-4,6-0 | |
| WTA - Stuttgart | 04/26 13:15 | 25 | [19] Kristina Mladenovic v Lucic-Baroni, Mirjana [21] | 6-4,6-2 | |
| WTA - Charleston | 04/08 19:35 | 28 | [23] Lucic-Baroni, Mirjana v Jelena Ostapenko [66] | 3-6,7-5,4-6 | |
| WTA - Charleston | 04/07 20:20 | 27 | [52] Shelby Rogers v Lucic-Baroni, Mirjana [23] | 7-6,1-6,1-6 | |
| WTA - Charleston | 04/06 18:15 | 26 | [23] Lucic-Baroni, Mirjana v Bertens, Kiki [21] | 7-6,6-4 | |
| WTA - Charleston | 04/05 16:20 | 25 | [23] Lucic-Baroni, Mirjana v Mona Barthel [88] | 6-3,6-2 | |
| WTA - Charleston | 04/04 17:35 | 24 | [23] Lucic-Baroni, Mirjana v Aleksandra Krunic [132] | 6-1,4-6,6-3 | |
| WTA - Miami | 03/28 17:35 | 27 | [29] Lucic-Baroni, Mirjana v Karolina Pliskova [3] | 3-6,4-6 | |
| WTA - Miami | 03/27 20:15 | 26 | [29] Lucic-Baroni, Mirjana v Mattek-Sands, Bethanie [158] | 7-5,6-4 | |
| WTA - Miami | 03/25 18:10 | 25 | [8] Radwanska, Agnieszka v Lucic-Baroni, Mirjana [29] | 0-6,3-6 | |
| WTA - Miami | 03/23 15:00 | 24 | [94] Bondarenko, K. v Lucic-Baroni, Mirjana [29] | 2-6,6-2,6-7 | |
| WTA - Indian Wells | 03/10 20:40 | 24 | [30] Lucic-Baroni, Mirjana v Kayla Day [175] | 4-6,7-5,5-7 |