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

EGTB: win in 4 half-moves

# move score
1 Ra7 win in 3 half-moves
2 Kb6 draw
3 Kb7 draw
4 Kc8 draw
5 Kcc7 draw
6 Kcd7 draw
7 Kd6 draw
8 Kdc7 draw
9 Kdd7 draw
10 Ke7 draw
11 Ke8 draw
12 Ra6 draw
13 Ra8 draw
14 Rg1 draw
15 Kb5 loss in 2 half-moves
16 Kc5 loss in 2 half-moves
17 Kd5 loss in 2 half-moves
18 Ra2 loss in 2 half-moves
19 Ra3 loss in 2 half-moves
20 Ra4 loss in 2 half-moves
21 Ra5 loss in 2 half-moves
22 Rb1 loss in 2 half-moves
23 Rc1 loss in 2 half-moves
24 Rd1 loss in 2 half-moves
25 Re1 loss in 2 half-moves
26 Rf1 loss in 2 half-moves
27 Rh1 loss in 2 half-moves