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

EGTB: win in 2 half-moves

# move score
1 Rb4 win in 1 half-moves
2 Rg7 win in 1 half-moves
3 Kf2 loss in 2 half-moves
4 Kf3 loss in 2 half-moves
5 Kf4 loss in 2 half-moves
6 Kgh4 loss in 2 half-moves
7 Khh4 loss in 2 half-moves
8 Ra4 loss in 2 half-moves
9 Rc4 loss in 2 half-moves
10 Rd4 loss in 2 half-moves
11 Re4 loss in 2 half-moves
12 Rf4 loss in 2 half-moves
13 Rg5 loss in 2 half-moves
14 Rg6 loss in 2 half-moves
15 Rg8 loss in 2 half-moves
16 Rh4 loss in 2 half-moves
17 Kgg2 loss in 1 half-moves
18 Kgh2 loss in 1 half-moves
19 Khg2 loss in 1 half-moves
20 Khh2 loss in 1 half-moves