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

EGTB: win in 2 half-moves

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