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

EGTB: win in 8 half-moves

# move score
1 Rb1 win in 7 half-moves
2 Kb7 win in 11 half-moves
3 Kb8 win in 11 half-moves
4 Kc7 draw
5 Kcd7 draw
6 Kcd8 draw
7 Ke8 draw
8 Ked7 draw
9 Ked8 draw
10 Kf7 draw
11 Kf8 draw
12 Ra2 draw
13 Ra7 draw
14 Ra8 draw
15 Rc1 draw
16 Rg1 draw
17 Rh1 draw
18 Kd6 loss in 2 half-moves
19 Ke6 loss in 2 half-moves
20 Kf6 loss in 2 half-moves
21 Ra3 loss in 2 half-moves
22 Ra4 loss in 2 half-moves
23 Ra5 loss in 2 half-moves
24 Ra6 loss in 2 half-moves
25 Rd1 loss in 2 half-moves
26 Re1 loss in 2 half-moves
27 Rf1 loss in 2 half-moves