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 K7g7 draw
3 K7g8 draw
4 K8g8 draw
5 Kg6 draw
6 Kh6 draw
7 Ra6 draw
8 Rc6 draw
9 Rd6 draw
10 Re6 draw
11 Rf1 draw
12 Rf5 draw
13 Rf7 draw
14 Rf8 draw
15 K8g7 loss in 2 half-moves
16 Rf2 loss in 2 half-moves
17 Rf3 loss in 2 half-moves
18 Rf4 loss in 2 half-moves
19 Rg6 loss in 2 half-moves
20 Rh6 loss in 2 half-moves