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

EGTB: win in 4 half-moves

# move score
1 K6b6 win in 3 half-moves
2 K7b6 win in 3 half-moves
3 Kb8 win in 3 half-moves
4 K6d6 win in 7 half-moves
5 K7d6 win in 7 half-moves
6 K7d7 win in 7 half-moves
7 Kd8 win in 7 half-moves
8 Ra7 win in 7 half-moves
9 K7b7 draw
10 Kc8 draw
11 Ra4 draw
12 Rb6 draw
13 K6b7 loss in 2 half-moves
14 K6d7 loss in 2 half-moves
15 Kb5 loss in 2 half-moves
16 Kc5 loss in 2 half-moves
17 Kd5 loss in 2 half-moves
18 Ra1 loss in 2 half-moves
19 Ra2 loss in 2 half-moves
20 Ra3 loss in 2 half-moves
21 Ra5 loss in 2 half-moves
22 Ra8 loss in 2 half-moves