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

EGTB: win in 4 half-moves

# move score
1 Ra4 win in 3 half-moves
2 Ka2 draw
3 Kab2 draw
4 Kab3 draw
5 Kb1 draw
6 Kc1 draw
7 Kc3 draw
8 Kcb2 draw
9 Kcb3 draw
10 Kd1 draw
11 Kd2 draw
12 Kd3 draw
13 Rg8 draw
14 Ka4 loss in 2 half-moves
15 Kb4 loss in 2 half-moves
16 Ra5 loss in 2 half-moves
17 Ra6 loss in 2 half-moves
18 Ra7 loss in 2 half-moves
19 Rb8 loss in 2 half-moves
20 Rc8 loss in 2 half-moves
21 Rd8 loss in 2 half-moves
22 Re8 loss in 2 half-moves
23 Rf8 loss in 2 half-moves
24 Rh8 loss in 2 half-moves