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 Kd7 draw
3 Kd8 draw
4 Kf7 draw
5 Kf8 draw
6 Rd7 draw
7 Re7 draw
8 Rf7 draw
9 Rg6 draw
10 Rh7 draw
11 Ke7 loss in 4 half-moves
12 Rg8 loss in 4 half-moves
13 Ra7 loss in 2 half-moves
14 Rb7 loss in 2 half-moves
15 Rg1 loss in 2 half-moves
16 Rg2 loss in 2 half-moves
17 Rg3 loss in 2 half-moves
18 Rg4 loss in 2 half-moves
19 Rg5 loss in 2 half-moves