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

EGTB: win in 4 half-moves

# move score
1 Rh8 win in 3 half-moves
2 Ke1 draw
3 Ke2 draw
4 Kfg1 draw
5 Kfg2 draw
6 Khg1 draw
7 Khg2 draw
8 Ra1 draw
9 Ra2 draw
10 Ra3 draw
11 Ra4 draw
12 Rb8 draw
13 Rf8 draw
14 Rg8 draw
15 Kf2 loss in 2 half-moves
16 Kh2 loss in 2 half-moves
17 Ra5 loss in 2 half-moves
18 Ra6 loss in 2 half-moves
19 Ra7 loss in 2 half-moves
20 Rc8 loss in 2 half-moves
21 Rd8 loss in 2 half-moves
22 Re8 loss in 2 half-moves