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

EGTB: win in 2 half-moves

# move score
1 Ra2 win in 1 half-moves
2 Kg4 draw
3 Kg5 draw
4 Kh5 draw
5 Ra3 draw
6 Ra4 draw
7 Rb8 draw
8 Rc8 draw
9 Rf8 draw
10 Rh8 draw
11 Kg3 loss in 2 half-moves
12 Kh3 loss in 2 half-moves
13 Ra1 loss in 2 half-moves
14 Ra5 loss in 2 half-moves
15 Ra6 loss in 2 half-moves
16 Ra7 loss in 2 half-moves
17 Rd8 loss in 2 half-moves
18 Re8 loss in 2 half-moves
19 Rg8 loss in 2 half-moves