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

EGTB: win in 4 half-moves

# move score
1 K6b6 win in 3 half-moves
2 K6b7 win in 3 half-moves
3 K7b6 win in 3 half-moves
4 K7b7 win in 3 half-moves
5 Kb5 win in 3 half-moves
6 Rb7 win in 3 half-moves
7 Ra8 win in 7 half-moves
8 Kb8 draw
9 Kc5 draw
10 Kc8 draw
11 Kd8 draw
12 Ra3 draw
13 Ra6 draw
14 K6d6 loss in 2 half-moves
15 K6d7 loss in 2 half-moves
16 K7d6 loss in 2 half-moves
17 K7d7 loss in 2 half-moves
18 Kd5 loss in 2 half-moves
19 Ra1 loss in 2 half-moves
20 Ra2 loss in 2 half-moves
21 Ra4 loss in 2 half-moves
22 Ra5 loss in 2 half-moves