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 K6d7 win in 3 half-moves
4 K7b6 win in 3 half-moves
5 K7b7 win in 3 half-moves
6 Kb5 win in 3 half-moves
7 Kb8 win in 3 half-moves
8 Kd5 win in 3 half-moves
9 Ra5 win in 3 half-moves
10 Rb6 win in 3 half-moves
11 K6d6 win in 5 half-moves
12 K7d6 win in 5 half-moves
13 K7d7 win in 5 half-moves
14 Kc5 win in 5 half-moves
15 Kc8 win in 5 half-moves
16 Kd8 win in 5 half-moves
17 Ra7 win in 5 half-moves
18 Ra1 win in 9 half-moves
19 Ra3 win in 9 half-moves
20 Ra4 win in 9 half-moves
21 Ra2 draw
22 Ra8 loss in 2 half-moves