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

EGTB: win in 2 half-moves

# move score
1 Rh8 win in 1 half-moves
2 Kg4 draw
3 Ra4 draw
4 Rh1 draw
5 Rh5 draw
6 Kf4 loss in 2 half-moves
7 Kf5 loss in 2 half-moves
8 Kf6 loss in 2 half-moves
9 Kg6 loss in 2 half-moves
10 Kh5 loss in 2 half-moves
11 Kh6 loss in 2 half-moves
12 Rd4 loss in 2 half-moves
13 Re4 loss in 2 half-moves
14 Rf4 loss in 2 half-moves
15 Rg4 loss in 2 half-moves
16 Rh2 loss in 2 half-moves
17 Rh3 loss in 2 half-moves
18 Rh6 loss in 2 half-moves
19 Rh7 loss in 2 half-moves
20 Rb4 loss in 1 half-moves
21 Rc4 loss in 1 half-moves