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