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

EGTB: win in 2 half-moves

# move score
1 Ra7 win in 1 half-moves
2 Kg7 draw
3 Kg8 draw
4 Kh7 draw
5 Rb7 draw
6 Rd7 draw
7 Re7 draw
8 Rf8 draw
9 Rg7 draw
10 Rf1 loss in 6 half-moves
11 Rf6 loss in 6 half-moves
12 Rf3 loss in 4 half-moves
13 Rf4 loss in 4 half-moves
14 Rc7 loss in 2 half-moves
15 Rf2 loss in 2 half-moves
16 Rf5 loss in 2 half-moves
17 Rh7 loss in 2 half-moves