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

EGTB: win in 6 half-moves

# move score
1 Rh8 win in 5 half-moves
2 Rb4 draw
3 Ke7 loss in 2 half-moves
4 Ke8 loss in 2 half-moves
5 Kff7 loss in 2 half-moves
6 Kfg7 loss in 2 half-moves
7 Kgf7 loss in 2 half-moves
8 Kgg7 loss in 2 half-moves
9 Kh7 loss in 2 half-moves
10 Kh8 loss in 2 half-moves
11 Ra4 loss in 2 half-moves
12 Rc4 loss in 2 half-moves
13 Rd4 loss in 2 half-moves
14 Re4 loss in 2 half-moves
15 Rf4 loss in 2 half-moves
16 Rg4 loss in 2 half-moves
17 Rh1 loss in 2 half-moves
18 Rh2 loss in 2 half-moves
19 Rh3 loss in 2 half-moves
20 Rh5 loss in 2 half-moves
21 Rh6 loss in 2 half-moves
22 Rh7 loss in 2 half-moves