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

EGTB: win in 4 half-moves

# move score
1 Rg6 win in 3 half-moves
2 Rh6 win in 3 half-moves
3 K7g7 draw
4 K7g8 draw
5 K8g7 draw
6 K8g8 draw
7 Kg6 draw
8 Kh6 draw
9 Rd6 draw
10 Re1 draw
11 Re5 draw
12 Re7 draw
13 Re8 draw
14 Rf6 draw
15 Ra6 loss in 2 half-moves
16 Rb6 loss in 2 half-moves
17 Rc6 loss in 2 half-moves
18 Re2 loss in 2 half-moves
19 Re3 loss in 2 half-moves
20 Re4 loss in 2 half-moves