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 Rb7 win in 1 half-moves
3 Rc7 draw
4 Rd7 draw
5 Kc5 loss in 2 half-moves
6 Kc6 loss in 2 half-moves
7 Kdd5 loss in 2 half-moves
8 Kde5 loss in 2 half-moves
9 Ked5 loss in 2 half-moves
10 Kee5 loss in 2 half-moves
11 Kf5 loss in 2 half-moves
12 Kf6 loss in 2 half-moves
13 Kf7 loss in 2 half-moves
14 Re8 loss in 2 half-moves
15 Rf7 loss in 2 half-moves
16 Rg7 loss in 2 half-moves
17 Rh7 loss in 2 half-moves
18 Kc7 loss in 1 half-moves
19 Kdd7 loss in 1 half-moves
20 Ked7 loss in 1 half-moves