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

EGTB: win in 4 half-moves

# move score
1 Rg1 win in 3 half-moves
2 Rh1 win in 3 half-moves
3 K7g7 draw
4 K7g8 draw
5 K8g7 draw
6 K8g8 draw
7 Kg6 draw
8 Kh6 draw
9 Rd1 draw
10 Re2 draw
11 Re3 draw
12 Re4 draw
13 Re5 draw
14 Rf1 draw
15 Ra1 loss in 2 half-moves
16 Rb1 loss in 2 half-moves
17 Rc1 loss in 2 half-moves
18 Re6 loss in 2 half-moves
19 Re7 loss in 2 half-moves
20 Re8 loss in 2 half-moves