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

EGTB: win in 2 half-moves

# move score
1 Rh2 win in 1 half-moves
2 Kh5 draw
3 Kh7 draw
4 Rb4 draw
5 Rg4 draw
6 Rh3 draw
7 Rh5 draw
8 Rf4 loss in 4 half-moves
9 Kg5 loss in 2 half-moves
10 Kg6 loss in 2 half-moves
11 Kg7 loss in 2 half-moves
12 Ra4 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 Rh1 loss in 2 half-moves