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 Kb4 win in 7 half-moves
3 Kc3 win in 7 half-moves
4 Kd3 win in 7 half-moves
5 Rb1 win in 7 half-moves
6 Rc1 win in 7 half-moves
7 Rd1 win in 7 half-moves
8 Kg2 win in 11 half-moves
9 Kf1 win in 15 half-moves
10 Kb5 win in 17 half-moves
11 Kc5 draw
12 Kd4 draw
13 Kd5 draw
14 Kh2 draw
15 Ra2 draw
16 Ra4 draw
17 Re1 draw
18 Kf2 loss in 2 half-moves
19 Ra3 loss in 2 half-moves
20 Ra5 loss in 2 half-moves
21 Ra6 loss in 2 half-moves
22 Ra7 loss in 2 half-moves
23 Ra8 loss in 2 half-moves
24 Rf1 loss in 2 half-moves
25 Kh1 loss in 1 half-moves