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 Kg2 loss in 20 half-moves
3 Kf2 loss in 10 half-moves
4 Rh5 loss in 10 half-moves
5 Kf3 loss in 8 half-moves
6 Kh3 loss in 8 half-moves
7 Rg4 loss in 8 half-moves
8 Kg4 loss in 6 half-moves
9 Re4 loss in 6 half-moves
10 Rf4 loss in 6 half-moves
11 Rh3 loss in 6 half-moves
12 Kf4 loss in 4 half-moves
13 Kh2 loss in 4 half-moves
14 Rb4 loss in 2 half-moves
15 Rc4 loss in 2 half-moves
16 Rd4 loss in 2 half-moves
17 Rh1 loss in 2 half-moves
18 Rh2 loss in 2 half-moves
19 Rh6 loss in 2 half-moves
20 Rh7 loss in 2 half-moves
21 Rh8 loss in 2 half-moves