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

EGTB: win in 2 half-moves

# move score
1 Ra6 win in 1 half-moves
2 Rf3 loss in 8 half-moves
3 Rf1 loss in 6 half-moves
4 Kb1 loss in 4 half-moves
5 Kb2 loss in 4 half-moves
6 Rf2 loss in 4 half-moves
7 Kb3 loss in 2 half-moves
8 Kc1 loss in 2 half-moves
9 Kc3 loss in 2 half-moves
10 Kd1 loss in 2 half-moves
11 Kd2 loss in 2 half-moves
12 Kd3 loss in 2 half-moves
13 Rf4 loss in 2 half-moves
14 Rf5 loss in 2 half-moves
15 Rf7 loss in 2 half-moves
16 Rg6 loss in 2 half-moves
17 Rh6 loss in 2 half-moves
18 Rb6 loss in 1 half-moves
19 Rc6 loss in 1 half-moves
20 Rd6 loss in 1 half-moves
21 Re6 loss in 1 half-moves
22 Rf8 loss in 1 half-moves