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

EGTB: win in 2 half-moves

# move score
1 Rc7 win in 1 half-moves
2 Kd6 draw
3 Kd7 draw
4 Kf5 draw
5 Kf6 draw
6 Kf7 draw
7 Rd7 draw
8 Re8 draw
9 Rf7 draw
10 Rg7 draw
11 Rh7 draw
12 Ke5 loss in 4 half-moves
13 Kd5 loss in 2 half-moves
14 Ra7 loss in 2 half-moves
15 Rb7 loss in 2 half-moves