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

EGTB: win in 2 half-moves

# move score
1 Rb7 win in 1 half-moves
2 f7 draw
3 Ra3 draw
4 Ra4 draw
5 Ra5 draw
6 Ra6 draw
7 Ra8 draw
8 Rc7 draw
9 Rf7 draw
10 Rg7 draw
11 Rh7 draw
12 Ra1 loss in 2 half-moves
13 Ra2 loss in 2 half-moves
14 Rd7 loss in 2 half-moves
15 Re7 loss in 2 half-moves