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

EGTB: win in 4 half-moves

# move score
1 Rh6 win in 3 half-moves
2 Rc4 draw
3 Re4 draw
4 Rf4 draw
5 Rg4 draw
6 Rh1 draw
7 Rh5 draw
8 Rh7 draw
9 Rh8 draw
10 Ke6 loss in 2 half-moves
11 Ke7 loss in 2 half-moves
12 Ke8 loss in 2 half-moves
13 Kf6 loss in 2 half-moves
14 Kff8 loss in 2 half-moves
15 Kfg7 loss in 2 half-moves
16 Kg6 loss in 2 half-moves
17 Kgf8 loss in 2 half-moves
18 Kgg7 loss in 2 half-moves
19 Kh7 loss in 2 half-moves
20 Kh8 loss in 2 half-moves
21 Ra4 loss in 2 half-moves
22 Rb4 loss in 2 half-moves
23 Rd4 loss in 2 half-moves
24 Rh2 loss in 2 half-moves
25 Rh3 loss in 2 half-moves