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

EGTB: win in 4 half-moves

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