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

EGTB: win in 4 half-moves

# move score
1 Ra5 win in 3 half-moves
2 K6g7 draw
3 K8f7 draw
4 K8g7 draw
5 Kf5 draw
6 Kg6 draw
7 Kg8 draw
8 Ra2 draw
9 Ra3 draw
10 Ra4 draw
11 Rf1 draw
12 Rg1 draw
13 Rh1 draw
14 K6e7 loss in 2 half-moves
15 K6f7 loss in 2 half-moves
16 K8e7 loss in 2 half-moves
17 Ke5 loss in 2 half-moves
18 Ke6 loss in 2 half-moves
19 Ke8 loss in 2 half-moves
20 Kg5 loss in 2 half-moves
21 Ra6 loss in 2 half-moves
22 Ra7 loss in 2 half-moves
23 Ra8 loss in 2 half-moves
24 Rb1 loss in 2 half-moves
25 Rc1 loss in 2 half-moves
26 Rd1 loss in 2 half-moves
27 Re1 loss in 2 half-moves