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

EGTB: win in 4 half-moves

# move score
1 K7d6 win in 3 half-moves
2 Kd8 win in 3 half-moves
3 K6d6 win in 5 half-moves
4 K6d7 win in 5 half-moves
5 K7d7 win in 5 half-moves
6 Kc5 win in 7 half-moves
7 Kb5 win in 9 half-moves
8 K6b6 draw
9 Kd5 draw
10 Ra7 draw
11 Rb6 draw
12 K7b6 loss in 2 half-moves
13 Kb8 loss in 2 half-moves
14 Kc8 loss in 2 half-moves
15 Rb1 loss in 2 half-moves
16 Rb2 loss in 2 half-moves
17 Rb3 loss in 2 half-moves
18 Rb4 loss in 2 half-moves
19 Rb5 loss in 2 half-moves
20 Rb8 loss in 2 half-moves