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

EGTB: win in 8 half-moves

# move score
1 Kb7 win in 7 half-moves
2 Kc7 win in 7 half-moves
3 Rc5 win in 7 half-moves
4 Kc8 win in 9 half-moves
5 Kd5 win in 9 half-moves
6 Ka7 draw
7 Ka8 draw
8 Kf5 draw
9 Ra3 draw
10 Ra8 draw
11 Rb5 draw
12 Rd5 draw
13 Kd4 loss in 2 half-moves
14 Kd6 loss in 2 half-moves
15 Ke4 loss in 2 half-moves
16 Ke6 loss in 2 half-moves
17 Kf4 loss in 2 half-moves
18 Kf6 loss in 2 half-moves
19 Ra1 loss in 2 half-moves
20 Ra2 loss in 2 half-moves
21 Ra4 loss in 2 half-moves
22 Ra6 loss in 2 half-moves
23 Ra7 loss in 2 half-moves