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

EGTB: win in 4 half-moves

# move score
1 Kb3 win in 3 half-moves
2 Kd2 win in 3 half-moves
3 Ke2 win in 3 half-moves
4 Kc3 win in 9 half-moves
5 Kd1 win in 9 half-moves
6 Rc1 win in 9 half-moves
7 Kc4 win in 11 half-moves
8 Kb5 win in 13 half-moves
9 Ka3 draw
10 Ka4 draw
11 Ka5 draw
12 Kc5 draw
13 Ra4 draw
14 Ra7 draw
15 Rb1 draw
16 Rd1 draw
17 Kf1 loss in 2 half-moves
18 Kf2 loss in 2 half-moves
19 Ra2 loss in 2 half-moves
20 Ra3 loss in 2 half-moves
21 Ra5 loss in 2 half-moves
22 Ra6 loss in 2 half-moves
23 Ra8 loss in 2 half-moves