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

EGTB: win in 2 half-moves

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