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

EGTB: win in 2 half-moves

# move score
1 Rc7 win in 1 half-moves
2 Rd7 win in 1 half-moves
3 Re5 win in 1 half-moves
4 Rb7 draw
5 Ka7 loss in 2 half-moves
6 Kb8 loss in 2 half-moves
7 Ra7 loss in 2 half-moves
8 Re1 loss in 2 half-moves
9 Re2 loss in 2 half-moves
10 Re3 loss in 2 half-moves
11 Re4 loss in 2 half-moves
12 Re6 loss in 2 half-moves
13 Re8 loss in 2 half-moves
14 Rf7 loss in 2 half-moves
15 Rg7 loss in 2 half-moves
16 Rh7 loss in 2 half-moves
17 Kb7 loss in 1 half-moves