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

EGTB: win in 4 half-moves

# move score
1 Ka6 win in 3 half-moves
2 Kc6 win in 3 half-moves
3 Ra6 win in 3 half-moves
4 Ra8 win in 3 half-moves
5 Kb8 draw
6 Kc7 draw
7 Kc8 draw
8 Ra7 draw
9 Rg5 draw
10 Rh5 draw
11 Ka7 loss in 4 half-moves
12 Ka8 loss in 4 half-moves
13 Kb6 loss in 2 half-moves
14 Ra1 loss in 2 half-moves
15 Ra2 loss in 2 half-moves
16 Ra3 loss in 2 half-moves
17 Ra4 loss in 2 half-moves
18 Rb5 loss in 2 half-moves
19 Rc5 loss in 2 half-moves
20 Rd5 loss in 2 half-moves
21 Re5 loss in 2 half-moves
22 Rf5 loss in 2 half-moves