2021 Predictions (not a lot of change)
Most improved player: Jannick Sinner (currently #34)
GS winners: Nadal, Djokovic, Medvedev, Thiem
GS winners: Osaka 2, Barty, Halep
End of year #1: Djokovic
End of year #1: Barty
No one outside of the top eight male players will make a GS final this yearn (Nole, Rafa, Medvedev, Thiem, Tsitsipas, Roger, Rublev, Zverev)
New Top Ten players: Shapo replaces Schwartzman (no other changes)
Roger stays in the Top Ten but drops out of the top five
Serena stays in the Top Ten
Raonic doesn't return to the Top Ten
Long shot Top Ten player: Sinner (34)
Long shot Top Ten player: Swiatek (17)
Hot newcomer: Carlos Alcaraz (126)
Felix improves somewhat but ends the year no higher than #15
Gauff (50) makes top 30
Fernandez (87) just misses the top 50
Humbert (32), Fritz (33), Bublik (45) and Davidovich Fukina (55) move up
Schwartzman (9), Monfils (12), Goffin (15), and Wawrinka (20) move down