Players get back to work after brief vacations

The brief 2017 vacation season is already being replaced with preseason training. Moving away from posting beachside photos, plenty of pros have instead been posting workout proof:

1

Karolina Pliskova

2

Elina Svitolina

3

Kristina Mladenovic

4

CiCi Bellis

5

CoCo Vandeweghe

6

Novak Djokovic

7

Eugenie Bouchard

8

Thomas Berdych