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

EGTB: win in 4 half-moves

# move score
1 Kb6 win in 3 half-moves
2 Kb7 win in 3 half-moves
3 Rb5 win in 3 half-moves
4 Ra6 win in 7 half-moves
5 Ra7 win in 7 half-moves
6 Kb4 win in 11 half-moves
7 Kb5 draw
8 Kb8 draw
9 Kc4 draw
10 Kc6 draw
11 Kc7 draw
12 Kd4 draw
13 Kd5 draw
14 Kd6 draw
15 Kd7 draw
16 Kd8 draw
17 Ra1 draw
18 Ra8 draw
19 Ra2 loss in 2 half-moves
20 Ra3 loss in 2 half-moves
21 Ra4 loss in 2 half-moves