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

EGTB: win in 4 half-moves

# move score
1 K6b5 win in 3 half-moves
2 Kb4 win in 3 half-moves
3 Kb6 win in 3 half-moves
4 Rb4 win in 3 half-moves
5 Ra3 win in 9 half-moves
6 K6c5 win in 11 half-moves
7 Ra6 win in 11 half-moves
8 Kb7 draw
9 Kc7 draw
10 Ra1 draw
11 Ra2 draw
12 Ra8 draw
13 K4b5 loss in 2 half-moves
14 K4c5 loss in 2 half-moves
15 K4d5 loss in 2 half-moves
16 K6d5 loss in 2 half-moves
17 Kb3 loss in 2 half-moves
18 Kc3 loss in 2 half-moves
19 Kd3 loss in 2 half-moves
20 Kd4 loss in 2 half-moves
21 Kd6 loss in 2 half-moves
22 Kd7 loss in 2 half-moves
23 Ra5 loss in 2 half-moves
24 Ra7 loss in 2 half-moves