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 K6b6 win in 3 half-moves
3 Kb4 win in 3 half-moves
4 Rb6 win in 3 half-moves
5 K5d6 win in 5 half-moves
6 Ra5 win in 5 half-moves
7 K5b5 draw
8 K5d5 draw
9 K6d6 draw
10 Kc4 draw
11 Kd4 draw
12 Ra1 draw
13 K6b5 loss in 2 half-moves
14 K6d5 loss in 2 half-moves
15 Kb7 loss in 2 half-moves
16 Kc7 loss in 2 half-moves
17 Kd7 loss in 2 half-moves
18 Ra2 loss in 2 half-moves
19 Ra3 loss in 2 half-moves
20 Ra4 loss in 2 half-moves
21 Ra7 loss in 2 half-moves
22 Ra8 loss in 2 half-moves