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

EGTB: win in 4 half-moves

# move score
1 Rh2 win in 3 half-moves
2 Rc6 draw
3 Re6 draw
4 Rf6 draw
5 Rg6 draw
6 Rh3 draw
7 Rh7 draw
8 Rh8 draw
9 Ke1 loss in 2 half-moves
10 Ke2 loss in 2 half-moves
11 Kf2 loss in 2 half-moves
12 Kfg1 loss in 2 half-moves
13 Kfg2 loss in 2 half-moves
14 Kh2 loss in 2 half-moves
15 Khg1 loss in 2 half-moves
16 Khg2 loss in 2 half-moves
17 Ra6 loss in 2 half-moves
18 Rb6 loss in 2 half-moves
19 Rd6 loss in 2 half-moves
20 Rh4 loss in 2 half-moves
21 Rh5 loss in 2 half-moves