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

EGTB: win in 2 half-moves

# move score
1 Rb8 win in 1 half-moves
2 K5g5 draw
3 K5g6 draw
4 K6g6 draw
5 Kg4 draw
6 Kh4 draw
7 Rd8 draw
8 Re8 draw
9 Rf8 draw
10 Rg8 draw
11 Rh7 draw
12 K6g5 loss in 2 half-moves
13 Kg7 loss in 2 half-moves
14 Kh7 loss in 2 half-moves
15 Ra8 loss in 1 half-moves
16 Rc8 loss in 1 half-moves