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

EGTB: win in 4 half-moves

# move score
1 Rh7 win in 3 half-moves
2 Ra2 draw
3 Rb2 draw
4 Rc2 draw
5 Rd2 draw
6 Rh3 draw
7 Rh4 draw
8 Rh5 draw
9 Rh6 draw
10 Ke7 loss in 2 half-moves
11 Ke8 loss in 2 half-moves
12 Kf7 loss in 2 half-moves
13 Kfg7 loss in 2 half-moves
14 Kfg8 loss in 2 half-moves
15 Kh7 loss in 2 half-moves
16 Khg7 loss in 2 half-moves
17 Khg8 loss in 2 half-moves
18 Re2 loss in 2 half-moves
19 Rf2 loss in 2 half-moves
20 Rg2 loss in 2 half-moves
21 Rh1 loss in 2 half-moves