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

EGTB: win in 4 half-moves

# move score
1 Kb4 win in 3 half-moves
2 Kb7 win in 3 half-moves
3 Kc4 win in 3 half-moves
4 Kc8 win in 3 half-moves
5 Kd8 win in 3 half-moves
6 Rb8 win in 3 half-moves
7 K5b6 draw
8 K5c6 draw
9 K5d6 draw
10 K7b6 draw
11 K7c6 draw
12 K7d6 draw
13 Kb8 draw
14 Ra5 draw
15 Rb1 draw
16 Rb6 draw
17 Rb7 draw
18 Kd4 loss in 2 half-moves
19 Kd5 loss in 2 half-moves
20 Kd7 loss in 2 half-moves
21 Rb2 loss in 2 half-moves
22 Rb3 loss in 2 half-moves
23 Rb4 loss in 2 half-moves