Nick Kyrgios mystifies Roger Federer with his special between-the-legs passing shot in Miami.

Borna Coric to fast to be surprised by Roger Federer's drop shot on Halle's grass.

Jack Sock's tweener volley against Ernests Gulbis in Stockholm.

From Ugo Humbert to Tristan Lamasine passing by Evgeny Donskoy, Emilio Gomez and Nicolas Mahut, here is the Top 5 hot shots of february on Challenger Tour