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

EGTB: win in 4 half-moves

# move score
1 Rh5 win in 3 half-moves
2 Ra4 draw
3 Re4 draw
4 Rf4 draw
5 Rg4 draw
6 Rh1 draw
7 Ke7 loss in 2 half-moves
8 Ke8 loss in 2 half-moves
9 Kf7 loss in 2 half-moves
10 Kfg7 loss in 2 half-moves
11 Kg5 loss in 2 half-moves
12 Kg6 loss in 2 half-moves
13 Kg8 loss in 2 half-moves
14 Kh5 loss in 2 half-moves
15 Kh7 loss in 2 half-moves
16 Khg7 loss in 2 half-moves
17 Rb4 loss in 2 half-moves
18 Rc4 loss in 2 half-moves
19 Rd4 loss in 2 half-moves
20 Rh2 loss in 2 half-moves
21 Rh3 loss in 2 half-moves