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

EGTB: win in 2 half-moves

# move score
1 Rc6 win in 1 half-moves
2 Rf6 win in 1 half-moves
3 Rb6 draw
4 Rd6 draw
5 K3a4 loss in 2 half-moves
6 K3b4 loss in 2 half-moves
7 K5a4 loss in 2 half-moves
8 K5b4 loss in 2 half-moves
9 Ka2 loss in 2 half-moves
10 Kb2 loss in 2 half-moves
11 Kb3 loss in 2 half-moves
12 Kb5 loss in 2 half-moves
13 Ra7 loss in 2 half-moves
14 Ra8 loss in 2 half-moves
15 Re6 loss in 2 half-moves
16 Rg6 loss in 2 half-moves
17 Rh6 loss in 2 half-moves
18 Kb6 loss in 1 half-moves