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

EGTB: win in 4 half-moves

# move score
1 Ra5 win in 3 half-moves
2 Ka1 draw
3 Ka3 draw
4 Kb1 draw
5 Kb2 draw
6 Kb3 draw
7 Kd5 draw
8 Kd6 draw
9 Kd7 draw
10 Ke7 draw
11 Kf5 draw
12 Rb5 draw
13 Rc5 draw
14 Rd5 draw
15 Re1 draw
16 Re2 draw
17 Re3 draw
18 Re4 draw
19 Rf5 draw
20 Kf6 loss in 2 half-moves
21 Kf7 loss in 2 half-moves
22 Rg5 loss in 2 half-moves
23 Rh5 loss in 2 half-moves