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

EGTB: win in 2 half-moves

# move score
1 Rb6 win in 1 half-moves
2 Rc6 win in 1 half-moves
3 Re1 win in 1 half-moves
4 Re2 win in 3 half-moves
5 Re3 win in 3 half-moves
6 Ra6 draw
7 Rg6 draw
8 Kb7 loss in 2 half-moves
9 Kb8 loss in 2 half-moves
10 Kc7 loss in 2 half-moves
11 Kcd7 loss in 2 half-moves
12 Kcd8 loss in 2 half-moves
13 Ke7 loss in 2 half-moves
14 Ked7 loss in 2 half-moves
15 Ked8 loss in 2 half-moves
16 Kf7 loss in 2 half-moves
17 Kf8 loss in 2 half-moves
18 Rd6 loss in 2 half-moves
19 Re4 loss in 2 half-moves
20 Re5 loss in 2 half-moves
21 Re7 loss in 2 half-moves
22 Rf6 loss in 2 half-moves
23 Rh6 loss in 2 half-moves