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

EGTB: win in 2 half-moves

# move score
1 Re8 win in 1 half-moves
2 Rg1 win in 1 half-moves
3 K7b7 draw
4 K8b7 draw
5 K8b8 draw
6 Rb8 draw
7 Rc8 draw
8 Rg3 draw
9 Rg4 draw
10 Rg5 draw
11 Rg6 draw
12 Rg7 draw
13 Rh8 draw
14 K7b8 loss in 2 half-moves
15 Ka6 loss in 2 half-moves
16 Kb6 loss in 2 half-moves
17 Rd8 loss in 1 half-moves
18 Rf8 loss in 1 half-moves
19 Rg2 loss in 1 half-moves