![ZooTennis: ATP's First Quarter Calendar Released; BNP Paribas Open Postponed; Federer Out of Australian Open; UTR January $25K Deadlines Approaching; More on USTA Junior Structure Changes ZooTennis: ATP's First Quarter Calendar Released; BNP Paribas Open Postponed; Federer Out of Australian Open; UTR January $25K Deadlines Approaching; More on USTA Junior Structure Changes](https://1.bp.blogspot.com/-kYSXRueY1Fo/X-u2znQkkOI/AAAAAAAJt90/rnfMi8DnlNgc4h7aoivkWyOO4uWiq0HHwCLcBGAsYHQ/s807/ATP_Announces_Updated_2021_Q1_Calendar___ATP_Tour___Tennis.png)
ZooTennis: ATP's First Quarter Calendar Released; BNP Paribas Open Postponed; Federer Out of Australian Open; UTR January $25K Deadlines Approaching; More on USTA Junior Structure Changes
![ATP Challenger Tour: 60 percent jump in 2023 prize money for ATP Challenger Tour to boost players' earning ATP Challenger Tour: 60 percent jump in 2023 prize money for ATP Challenger Tour to boost players' earning](https://www.insidesport.in/wp-content/uploads/2022/09/ATP_Challenger_Tour_Tournaments_51748767809.jpg)
ATP Challenger Tour: 60 percent jump in 2023 prize money for ATP Challenger Tour to boost players' earning
![Halys, Cachin, Shelton …They shone on the Challenger circuit in 2022, watch out for them on the ATP Tour in 2023 – Tennis Majors Halys, Cachin, Shelton …They shone on the Challenger circuit in 2022, watch out for them on the ATP Tour in 2023 – Tennis Majors](https://assets.tennismajors.com/app/uploads/2022/12/04152054/Quentin-Halys-Challenger-2022-1296x675.jpg)