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

EGTB: win in 4 half-moves

# move score
1 K7g7 win in 3 half-moves
2 K7g8 win in 3 half-moves
3 K8g7 win in 3 half-moves
4 K8g8 win in 3 half-moves
5 Kg6 win in 3 half-moves
6 Ra8 win in 3 half-moves
7 Ra6 win in 5 half-moves
8 Rg7 win in 5 half-moves
9 Kh6 draw
10 Ra4 draw
11 Ra5 draw
12 Rb7 draw
13 Rf7 draw
14 Ra1 loss in 2 half-moves
15 Ra2 loss in 2 half-moves
16 Ra3 loss in 2 half-moves
17 Rc7 loss in 2 half-moves
18 Rd7 loss in 2 half-moves
19 Re7 loss in 2 half-moves