Click on the third or sixth rank to set the en passant target square.

EGTB: win in 6 half-moves

# move score
1 Rc3 win in 5 half-moves
2 Re3 win in 5 half-moves
3 Rc2 win in 7 half-moves
4 Re2 win in 7 half-moves
5 Rc1 win in 9 half-moves
6 Rc8 win in 9 half-moves
7 Re1 win in 9 half-moves
8 Re8 win in 9 half-moves
9 Ra7 loss in 4 half-moves
10 Rb7 loss in 4 half-moves
11 Rcd7 loss in 4 half-moves
12 Red7 loss in 4 half-moves
13 Rc4 loss in 2 half-moves
14 Rc5 loss in 2 half-moves
15 Rc6 loss in 2 half-moves
16 Re4 loss in 2 half-moves
17 Re5 loss in 2 half-moves
18 Re6 loss in 2 half-moves
19 Rf7 loss in 2 half-moves
20 Rg7 loss in 2 half-moves
21 Rh7 loss in 2 half-moves