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

EGTB: win in 4 half-moves

# move score
1 Rc1 win in 3 half-moves
2 Rc4 win in 3 half-moves
3 Rf5 win in 3 half-moves
4 Kb6 win in 5 half-moves
5 Kb7 win in 5 half-moves
6 Kb8 win in 5 half-moves
7 Kc6 win in 5 half-moves
8 Kc8 win in 5 half-moves
9 Kd6 win in 5 half-moves
10 Kd7 win in 5 half-moves
11 Kd8 win in 5 half-moves
12 Ra5 win in 5 half-moves
13 Rb5 win in 5 half-moves
14 Rc6 win in 5 half-moves
15 Rc2 loss in 2 half-moves
16 Rc3 loss in 2 half-moves
17 Rd5 loss in 2 half-moves
18 Re5 loss in 2 half-moves
19 Rg5 loss in 2 half-moves
20 Rh5 loss in 2 half-moves