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

EGTB: win in 4 half-moves

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