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

EGTB: win in 6 half-moves

# move score
1 Ra6 win in 5 half-moves
2 Kd8 draw
3 Kef8 draw
4 Kgf8 draw
5 Kh7 draw
6 Kh8 draw
7 Ra2 draw
8 Ra4 draw
9 Ra7 draw
10 Rb8 draw
11 Rc8 draw
12 Kd7 loss in 2 half-moves
13 Ke7 loss in 2 half-moves
14 Kef7 loss in 2 half-moves
15 Kg7 loss in 2 half-moves
16 Kgf7 loss in 2 half-moves
17 Ra1 loss in 2 half-moves
18 Ra3 loss in 2 half-moves
19 Ra5 loss in 2 half-moves
20 Rd8 loss in 2 half-moves