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

EGTB: win in 4 half-moves

# move score
1 Rb6 win in 3 half-moves
2 Ra6 win in 5 half-moves
3 Rc6 draw
4 Rd6 draw
5 Re6 draw
6 Rf2 draw
7 Rf3 draw
8 Rf4 draw
9 Rf8 draw
10 K3b3 loss in 2 half-moves
11 K3b4 loss in 2 half-moves
12 K4b3 loss in 2 half-moves
13 K4b4 loss in 2 half-moves
14 Ka2 loss in 2 half-moves
15 Ka5 loss in 2 half-moves
16 Kb2 loss in 2 half-moves
17 Kb5 loss in 2 half-moves
18 Rf1 loss in 2 half-moves
19 Rf5 loss in 2 half-moves
20 Rf7 loss in 2 half-moves
21 Rg6 loss in 2 half-moves
22 Rh6 loss in 2 half-moves