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

EGTB: win in 2 half-moves

# move score
1 Ra4 win in 1 half-moves
2 Kb8 loss in 32 half-moves
3 Rb7 loss in 32 half-moves
4 Kb7 loss in 28 half-moves
5 Ra3 loss in 22 half-moves
6 Ra6 loss in 16 half-moves
7 Rf7 loss in 12 half-moves
8 Rg7 loss in 12 half-moves
9 Ra1 loss in 2 half-moves
10 Ra2 loss in 2 half-moves
11 Ra5 loss in 2 half-moves
12 Rc7 loss in 2 half-moves
13 Rd7 loss in 2 half-moves
14 Re7 loss in 2 half-moves
15 Rh7 loss in 2 half-moves