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

EGTB: win in 4 half-moves

# move score
1 Rd1 win in 3 half-moves
2 Kb1 draw
3 Kb2 draw
4 Kd1 draw
5 Kd2 draw
6 Kd3 draw
7 Kf3 draw
8 Kf4 draw
9 Kf5 draw
10 Kg3 draw
11 Kg5 draw
12 Kh3 draw
13 Kh4 draw
14 Kh5 draw
15 Re1 draw
16 Rf1 draw
17 Rg1 draw
18 Rh1 draw
19 Kb3 loss in 2 half-moves
20 Kc3 loss in 2 half-moves
21 Ra1 loss in 2 half-moves
22 Rb1 loss in 2 half-moves