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 Kd6 loss in 14 half-moves
3 Kc6 loss in 12 half-moves
4 Ke7 loss in 12 half-moves
5 Rf8 loss in 12 half-moves
6 Kc7 loss in 8 half-moves
7 Rf7 loss in 8 half-moves
8 Rg6 loss in 8 half-moves
9 Rh6 loss in 8 half-moves
10 Kc8 loss in 6 half-moves
11 Ke6 loss in 6 half-moves
12 Kd8 loss in 4 half-moves
13 Ke8 loss in 4 half-moves
14 Ra6 loss in 2 half-moves
15 Rc6 loss in 2 half-moves
16 Rd6 loss in 2 half-moves
17 Re6 loss in 2 half-moves
18 Rf1 loss in 2 half-moves
19 Rf2 loss in 2 half-moves
20 Rf3 loss in 2 half-moves
21 Rf4 loss in 2 half-moves
22 Rf5 loss in 2 half-moves