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 Rd1 win in 3 half-moves
3 Kd4 win in 5 half-moves
4 Kb5 win in 7 half-moves
5 Rb1 win in 7 half-moves
6 Kc4 win in 11 half-moves
7 Kd1 win in 11 half-moves
8 Kd2 win in 11 half-moves
9 Ra5 win in 11 half-moves
10 Kb6 win in 15 half-moves
11 Kd5 win in 15 half-moves
12 Kc6 draw
13 Kd3 draw
14 Kd6 draw
15 Ke1 draw
16 Ke3 draw
17 Ra2 draw
18 Ra8 draw
19 Rc1 draw
20 Re1 draw
21 Kf1 loss in 2 half-moves
22 Kf2 loss in 2 half-moves
23 Kf3 loss in 2 half-moves
24 Ra3 loss in 2 half-moves
25 Ra4 loss in 2 half-moves
26 Ra6 loss in 2 half-moves
27 Ra7 loss in 2 half-moves
28 Rf1 loss in 2 half-moves
29 Rg1 loss in 2 half-moves
30 Rh1 loss in 2 half-moves