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

EGTB: win in 8 half-moves

# move score
1 Kb5 win in 7 half-moves
2 Kb6 win in 7 half-moves
3 Rb4 win in 9 half-moves
4 Ka5 draw
5 Ka7 draw
6 Kb7 draw
7 Kd4 draw
8 Kd5 draw
9 Ke5 draw
10 Kf5 draw
11 Ra4 draw
12 Rc5 draw
13 Rc6 draw
14 Rc7 draw
15 Rc8 draw
16 Kd3 loss in 2 half-moves
17 Ke3 loss in 2 half-moves
18 Kf3 loss in 2 half-moves
19 Kf4 loss in 2 half-moves
20 Rc1 loss in 2 half-moves
21 Rc2 loss in 2 half-moves
22 Rc3 loss in 2 half-moves
23 Rd4 loss in 2 half-moves