Williams holds the most Grand Slam titles in singles, doubles, and mixed doubles combined among active players. Her 39 major titles puts her joint-third on the all-time list and second in the Open Era: 23 in singles, 14 in women's doubles, and two in mixed doubles. She is the most recent female player to have held all four Grand Slam singles titles simultaneously (2002–03 and 2014–15) and the third player to achieve this twice, after Rod Laverand Graf. She is also the most recent player to have won a Grand Slam title on each surface (hard, clay and grass) in one calendar year. She is also, together with her sister Venus, the most recent player to have held all four Grand Slam women's doubles titles simultaneously (2009–10).
In teams of 2 for 30 minutes
12 Rotating SB passes with slams
12 SB Over-the-wall throws
12 Rotating SB passes without slams
12 SB over-the shoulder (3 at a time)
300 m run with SB on shoulder
*Serena’s daughter was 12 months old when she finished as runner up in the US Open in 2018