| Tournament | Start Date | End Date |
| Hopman Cup | 29-Dec-2018 | 5-Jan-2019 |
| Brisbane International | 30-Dec-2018 | 6-Jan-2019 |
| Shenzhen Open | 30-Dec-2018 | 5-Jan-2019 |
| ASB Classic | 31-Dec-2018 | 12-Jan-2019 |
| Qatar ExxonMobil Open | 31-Dec-2018 | 5-Jan-2019 |
| Maharashtra Open | 1-Jan-2019 | 6-Jan-2019 |
| Auckland Open (ASB Classic) | 31-Dec-2018 | 12-Jan-2019 |
| Sydney International | 6-Jan-2019 | 12-Jan-2019 |
| Hobart International | 5-Jan-2019 | 12-Jan-2019 |
| Australian Open | 14-Jan-2019 | 27-Jan-2019 |
| St. Petersburg Ladies Trophy | 28-Jan-2019 | 3-Feb-2019 |
| Hua Hin Championships | 28-Jan-2019 | 3-Feb-2019 |
| Open Sud de France | 3-Feb-2019 | 10-Feb-2019 |
| Sofia Open | 4-Feb-2019 | 10-Feb-2019 |
| Córdoba Open | 4-Feb-2019 | 10-Feb-2019 |
| Qatar Total Open | 11-Feb-2019 | 16-Feb-2019 |
| ABN AMRO World Tennis Tournament Rotterdam | 11-Feb-2019 | 17-Feb-2019 |
| New York Open | 11-Feb-2019 | 17-Feb-2019 |
| Argentina Open | 18-Feb-2019 | 24-Feb-2019 |
| Dubai Tennis Championships (WTA) | 18-Feb-2019 | 2-Mar-2019 |
| Rio Open | 18-Feb-2019 | 24-Feb-2019 |
| Open 13 | 18-Feb-2019 | 24-Feb-2019 |
| Delray Beach Open | 18-Feb-2019 | 24-Feb-2019 |
| Mexican Open | 25-Feb-2019 | 2-Mar-2019 |
| Brasil Open | 25-Feb-2019 | 3-Mar-2019 |
| Dubai Tennis Championships (ATP) | 25-Feb-2019 | 2-Mar-2019 |
| BNP Paribas Open | 4-Mar-2019 | 17-Mar-2019 |
| Miami Open | 18-Mar-2019 | 31-Mar-2019 |
| Charleston Open | 30-Mar-2019 | 7-Apr-2019 |
| Monterrey Open | 1-Apr-2019 | 7-Apr-2019 |
| U.S. Men's Clay Court Championships | 8-Apr-2019 | 14-Apr-2019 |
| Grand Prix Hassan II | 8-Apr-2019 | 14-Apr-2019 |
| Ladies Open Lugano | 8-Apr-2019 | 14-Apr-2019 |
| Copa Colsanitas | 8-Apr-2019 | 14-Apr-2019 |
| Monte-Carlo Masters | 13-Apr-2019 | 21-Apr-2019 |
| Barcelona Open | 20-Apr-2019 | 28-Apr-2019 |
| Hungarian Open | 22-Apr-2019 | 29-Apr-2019 |
| Stuttgart Open (WTA) | 22-Apr-2019 | 28-Apr-2019 |
| İstanbul Cup | 22-Apr-2019 | 28-Apr-2019 |
| Prague Open | 29-Apr-2019 | 4-May-2019 |
| Morocco Open | 29-Apr-2019 | 4-May-2019 |
| Estoril Open | 29-Apr-2019 | 5-May-2019 |
| Madrid Open | 6-May-2019 | 12-May-2019 |
| Italian Open | 12-May-2019 | 19-May-2019 |
| Geneva Open | 18-May-2019 | 25-May-2019 |
| Lyon Open | 18-May-2019 | 25-May-2019 |
| Nuremberg Cup | 19-May-2019 | 25-May-2019 |
| Internationaux de Strasbourg | 19-May-2019 | 25-May-2019 |
| French Open | 26-May-2019 | 9-Jun-2019 |
| Stuttgart Open | 8-Jun-2019 | 16-Jun-2019 |
| Nottingham Open | 8-Jun-2019 | 16-Jun-2019 |
| Rosmalen Grass Court Championships | 10-Jun-2019 | 16-Jun-2019 |
| Birmingham Classic | 17-Jun-2019 | 23-Jun-2019 |
| Mallorca Open | 17-Jun-2019 | 23-Jun-2019 |
| Halle Open | 17-Jun-2019 | 23-Jun-2019 |
| Queen's Club Championships | 17-Jun-2019 | 23-Jun-2019 |
| Eastbourne International | 23-Jun-2019 | 29-Jun-2019 |
| Antalya Open | 23-Jun-2019 | 29-Jun-2019 |
| Wimbledon | 1-Jul-2019 | 14-Jul-2019 |
| Bucharest Open | 15-Jul-2019 | 21-Jul-2019 |
| Swiss Open - Ladies Championship Lausanne | 15-Jul-2019 | 21-Jul-2019 |
| Hall of Fame Tennis Championships | 14-Jul-2019 | 21-Jul-2019 |
| Swedish Open | 14-Jul-2019 | 21-Jul-2019 |
| Croatia Open | 14-Jul-2019 | 21-Jul-2019 |
| German Open | 22-Jul-2019 | 28-Jul-2019 |
| Atlanta Open | 22-Jul-2019 | 28-Jul-2019 |
| Swiss Indoors | 22-Jul-2019 | 30-Jul-2019 |
| Moscow Open | 22-Jul-2019 | 28-Jul-2019 |
| Palermo Open | 22-Jul-2019 | 28-Jul-2019 |
| Silicon Valley Classic | 29-Jul-2019 | 4-Aug-2019 |
| Washington Open | 27-Jul-2019 | 4-Aug-2019 |
| Los Cabos Open | 29-Jul-2019 | 3-Aug-2019 |
| Austrian Open Kitzbühel | 27-Jul-2019 | 3-Aug-2019 |
| Canadian Open | 5-Aug-2019 | 11-Aug-2019 |
| Cincinnati Open | 11-Aug-2019 | 18-Aug-2019 |
| Winston-Salem Open | 18-Aug-2019 | 24-Aug-2019 |
| Connecticut Open | 18-Aug-2019 | 24-Aug-2019 |
| U.S. Open | 26-Aug-2019 | 8-Sep-2019 |
| Tournoi de Québec | 9-Sep-2019 | 15-Sep-2019 |
| Japan Women's Open | 9-Sep-2019 | 15-Sep-2019 |
| Jiangxi Open | 9-Sep-2019 | 15-Sep-2019 |
| St. Petersburg Open | 16-Sep-2019 | 22-Sep-2019 |
| Moselle Open | 16-Sep-2019 | 22-Sep-2019 |
| Pan Pacific Open | 16-Sep-2019 | 22-Sep-2019 |
| Guangzhou Open | 16-Sep-2019 | 21-Sep-2019 |
| Korea Open | 16-Sep-2019 | 22-Sep-2019 |
| Chengdu Open | 23-Sep-2019 | 29-Sep-2019 |
| Wuhan Open | 22-Sep-2019 | 28-Sep-2019 |
| Tashkent Open | 23-Sep-2019 | 28-Sep-2019 |
| China Open | 30-Sep-2019 | 6-Oct-2019 |
| Japan Open | 30-Sep-2019 | 6-Oct-2019 |
| Hong Kong Open | 7-Oct-2019 | 13-Oct-2019 |
| Linz Open | 7-Oct-2019 | 13-Oct-2019 |
| Tianjin Open | 7-Oct-2019 | 13-Oct-2019 |
| Shanghai Masters | 6-Oct-2019 | 13-Oct-2019 |
| Kremlin Cup | 14-Oct-2019 | 20-Oct-2019 |
| Stockholm Open | 14-Oct-2019 | 20-Oct-2019 |
| European Open | 14-Oct-2019 | 20-Oct-2019 |
| Luxembourg Open | 14-Oct-2019 | 20-Oct-2019 |
| Vienna Open | 21-Oct-2019 | 27-Oct-2019 |
| Swiss Indoors | 21-Oct-2019 | 27-Oct-2019 |
| WTA Elite Trophy | 22-Oct-2019 | 27-Oct-2019 |
| Paris Masters | 28-Oct-2019 | 3-Nov-2019 |
| WTA Finals | 27-Oct-2019 | 3-Nov-2019 |
| Next Gen ATP Finals | 5-Nov-2019 | 9-Nov-2019 |
| ATP Finals | 10-Nov-2019 | 17-Nov-2019 |
*Bold represents Grand Slams / Tennis Majors
