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

EGTB: win in 4 half-moves

# move score
1 Rb5 win in 3 half-moves
2 Kg6 win in 5 half-moves
3 Kb4 draw
4 Kb5 draw
5 Kb6 draw
6 Kc4 draw
7 Kc6 draw
8 Kd4 draw
9 Kd5 draw
10 Kd6 draw
11 Kg7 draw
12 Kh5 draw
13 Kh7 draw
14 Ra4 draw
15 Ra6 draw
16 Ra7 draw
17 Ra8 draw
18 Kg5 loss in 2 half-moves
19 Ra1 loss in 2 half-moves
20 Ra2 loss in 2 half-moves
21 Ra3 loss in 2 half-moves