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

EGTB: win in 2 half-moves

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