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

EGTB: win in 2 half-moves

# move score
1 Rb4 win in 1 half-moves
2 Kg2 draw
3 Kg3 draw
4 Kh2 draw
5 Rf4 draw
6 Rg4 draw
7 Rh5 draw
8 Kg4 loss in 4 half-moves
9 Rh6 loss in 4 half-moves
10 Ra4 loss in 2 half-moves
11 Rc4 loss in 2 half-moves
12 Rd4 loss in 2 half-moves
13 Re4 loss in 2 half-moves
14 Rh7 loss in 2 half-moves
15 Rh8 loss in 2 half-moves