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

EGTB: win in 2 half-moves

# move score
1 Rb6 win in 1 half-moves
2 Ke4 draw
3 Kf4 draw
4 Kf5 draw
5 Kf6 draw
6 Rc6 draw
7 Rd6 draw
8 Re7 draw
9 Re8 draw
10 Rf6 draw
11 Kd4 loss in 2 half-moves
12 Kd5 loss in 2 half-moves
13 Kd6 loss in 2 half-moves
14 Ra6 loss in 2 half-moves
15 Rg6 loss in 2 half-moves
16 Rh6 loss in 2 half-moves