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

EGTB: win in 4 half-moves

# move score
1 K6b7 win in 3 half-moves
2 K8b7 win in 3 half-moves
3 Kb6 win in 3 half-moves
4 Kb8 win in 3 half-moves
5 K6c7 draw
6 K6d7 draw
7 K8c7 draw
8 K8d7 draw
9 Kd6 draw
10 Kd8 draw
11 Ra1 draw
12 Ra5 draw
13 Ra7 draw
14 Ra8 draw
15 Rb6 draw
16 Kb5 loss in 2 half-moves
17 Kc5 loss in 2 half-moves
18 Kd5 loss in 2 half-moves
19 Ra2 loss in 2 half-moves
20 Ra3 loss in 2 half-moves
21 Ra4 loss in 2 half-moves