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

EGTB: win in 2 half-moves

# move score
1 Ra1 win in 1 half-moves
2 Kb7 draw
3 Kb8 draw
4 Ra2 draw
5 Ra6 draw
6 Rb7 draw
7 Rc7 draw
8 Rd7 draw
9 Ra3 loss in 2 half-moves
10 Ra4 loss in 2 half-moves
11 Ra5 loss in 2 half-moves
12 Rg7 loss in 2 half-moves
13 Rh7 loss in 2 half-moves
14 Re7 loss in 1 half-moves
15 Rf7 loss in 1 half-moves