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 Re1 win in 1 half-moves
3 Rf7 win in 1 half-moves
4 Kd7 win in 3 half-moves
5 Re2 win in 3 half-moves
6 Re3 win in 3 half-moves
7 Re4 win in 3 half-moves
8 Re5 win in 3 half-moves
9 Re6 win in 3 half-moves
10 Ra7 draw
11 Kc5 loss in 2 half-moves
12 Kc6 loss in 2 half-moves
13 Kc7 loss in 2 half-moves
14 Kd5 loss in 2 half-moves
15 Ke5 loss in 2 half-moves
16 Ke6 loss in 2 half-moves
17 Rc7 loss in 2 half-moves
18 Rd7 loss in 2 half-moves
19 Re8 loss in 2 half-moves
20 Rg7 loss in 2 half-moves
21 Rh7 loss in 2 half-moves