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

EGTB: win in 4 half-moves

# move score
1 Kb4 win in 3 half-moves
2 Rd2 win in 3 half-moves
3 Kd1 win in 7 half-moves
4 Kd3 win in 7 half-moves
5 Ke1 win in 7 half-moves
6 Ke3 win in 7 half-moves
7 Ra1 win in 7 half-moves
8 Ra3 win in 9 half-moves
9 Rb2 win in 15 half-moves
10 Kb5 win in 19 half-moves
11 Kd2 win in 19 half-moves
12 Rc2 win in 19 half-moves
13 Kb6 draw
14 Kc4 draw
15 Kc6 draw
16 Kd4 draw
17 Kd5 draw
18 Kd6 draw
19 Kf1 draw
20 Kf2 draw
21 Ra5 draw
22 Ra7 draw
23 Kf3 loss in 2 half-moves
24 Ra4 loss in 2 half-moves
25 Ra6 loss in 2 half-moves
26 Ra8 loss in 2 half-moves