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 K5d6 win in 3 half-moves
3 Kb5 win in 3 half-moves
4 Rb6 win in 3 half-moves
5 Kb7 win in 7 half-moves
6 Kb8 win in 7 half-moves
7 Kc4 win in 7 half-moves
8 Kc8 win in 7 half-moves
9 Kd7 win in 7 half-moves
10 Kd8 win in 7 half-moves
11 K7b6 draw
12 K7d6 draw
13 Kb4 draw
14 Ra6 draw
15 Rd6 draw
16 Rh6 draw
17 Kd4 loss in 2 half-moves
18 Kd5 loss in 2 half-moves
19 Re6 loss in 2 half-moves
20 Rf6 loss in 2 half-moves
21 Rg6 loss in 2 half-moves