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 Re1 draw
3 Re2 draw
4 Re7 draw
5 Re8 draw
6 Rf6 draw
7 Rg6 draw
8 Rh6 draw
9 Ra6 loss in 2 half-moves
10 Rc6 loss in 2 half-moves
11 Rd6 loss in 2 half-moves
12 Re3 loss in 2 half-moves
13 Re4 loss in 2 half-moves
14 Re5 loss in 2 half-moves