![ATP Challenger 2020, Week 51: Calendario Challenger 2021. Si parte il prossimo 18 Gennaio. A Febbraio due tornei a Biella. Tabelloni a 32 giocatori per il 2021 - Alessandro Zijno Blog ATP Challenger 2020, Week 51: Calendario Challenger 2021. Si parte il prossimo 18 Gennaio. A Febbraio due tornei a Biella. Tabelloni a 32 giocatori per il 2021 - Alessandro Zijno Blog](https://www.alessandrozijno.it/wp-content/uploads/2018/12/Trading-the-ATP-Challenger-Tour.jpg)
ATP Challenger 2020, Week 51: Calendario Challenger 2021. Si parte il prossimo 18 Gennaio. A Febbraio due tornei a Biella. Tabelloni a 32 giocatori per il 2021 - Alessandro Zijno Blog
![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 on Twitter: "Revised #ATPChallenger calendar through September ⬇️⬇️ https://t.co/ylvoX20qQy" / Twitter ATP Challenger Tour on Twitter: "Revised #ATPChallenger calendar through September ⬇️⬇️ https://t.co/ylvoX20qQy" / Twitter](https://pbs.twimg.com/media/Effd042WoAMKh_3.jpg)