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 K7b7 win in 3 half-moves
4 Kb5 win in 3 half-moves
5 Rb7 win in 3 half-moves
6 Ra8 win in 5 half-moves
7 K6d6 win in 7 half-moves
8 K6d7 win in 7 half-moves
9 K7d7 win in 7 half-moves
10 Kd5 win in 7 half-moves
11 Kc5 win in 9 half-moves
12 Ra6 win in 11 half-moves
13 Ra3 draw
14 K7b6 loss in 2 half-moves
15 K7d6 loss in 2 half-moves
16 Kb8 loss in 2 half-moves
17 Kc8 loss in 2 half-moves
18 Kd8 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