Is there a tennis racket or a fence in this image?
Yes, there is a fence.
    src        edge_attr  dst
0     0  to the right of    1
1     1   to the left of    0
2     6   to the left of   10
3     7  to the right of   11
4     7   to the left of   15
5     7   to the left of   10
6     7  to the right of    9
7     7   to the left of   18
8     8   to the left of   10
9     8   to the left of   15
10    8  to the right of   11
11    9   to the left of   11
12    9   to the left of   14
13    9   to the left of    7
14   10  to the right of    6
15   10  to the right of    8
16   10  to the right of    7
17   10  to the right of   11
18   10  to the right of   13
19   10  to the right of   14
20   11   to the left of   14
21   11   to the left of   13
22   11  to the right of    9
23   11   to the left of    8
24   11   to the left of   10
25   11   to the left of    7
26   13  to the right of   11
27   13   to the left of   15
28   13   to the left of   10
29   14   to the left of   10
30   14  to the right of    9
31   14  to the right of   11
32   15  to the right of    8
33   15  to the right of   18
34   15  to the right of    7
35   15  to the right of   13
36   16   to the left of   17
37   17  to the right of   16
38   18  to the right of    7
39   18   to the left of   15