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 Ra8 win in 3 half-moves
3 Kc6 draw
4 Kc8 draw
5 Kd6 draw
6 Kd8 draw
7 Ke6 draw
8 Ke8 draw
9 Kg8 draw
10 Ra1 draw
11 Ra6 draw
12 Rb5 draw
13 Rc5 draw
14 Rd5 draw
15 Re5 draw
16 Kc7 loss in 2 half-moves
17 Ke7 loss in 2 half-moves
18 Kg7 loss in 2 half-moves
19 Kh7 loss in 2 half-moves
20 Ra2 loss in 2 half-moves
21 Ra3 loss in 2 half-moves
22 Ra4 loss in 2 half-moves
23 Rf5 loss in 2 half-moves
24 Rg5 loss in 2 half-moves
25 Rh5 loss in 2 half-moves