Are there any people to the left of the player that is holding the tennis racket?
No, the people are to the right of the player.
    src        edge_attr  dst
0     1   to the left of   16
1     1   to the left of    3
2     1   to the left of   15
3     1   to the left of    8
4     2   to the left of   20
..  ...              ...  ...
78   20  to the right of   14
79   20  to the right of    9
80   20  to the right of    2
81   20  to the right of   10
82   20  to the right of    3

[83 rows x 3 columns]