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 Ka7 draw
3 Kb6 draw
4 Kb7 draw
5 Rc6 draw
6 Rd6 draw
7 Re4 draw
8 Ka5 loss in 2 half-moves
9 Kb5 loss in 2 half-moves
10 Re1 loss in 2 half-moves
11 Re2 loss in 2 half-moves
12 Re3 loss in 2 half-moves
13 Re5 loss in 2 half-moves
14 Re7 loss in 2 half-moves
15 Re8 loss in 2 half-moves
16 Rg6 loss in 2 half-moves
17 Rh6 loss in 2 half-moves
18 Rf6 loss in 1 half-moves