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

EGTB: win in 4 half-moves

# move score
1 Rg7 win in 3 half-moves
2 Rh7 win in 3 half-moves
3 Ra7 draw
4 Rb7 draw
5 Re3 draw
6 Re4 draw
7 Re5 draw
8 Re6 draw
9 Rf7 draw
10 K1g1 loss in 2 half-moves
11 K1g2 loss in 2 half-moves
12 K2g1 loss in 2 half-moves
13 K2g2 loss in 2 half-moves
14 Kg3 loss in 2 half-moves
15 Kh3 loss in 2 half-moves
16 Rc7 loss in 2 half-moves
17 Rd7 loss in 2 half-moves
18 Re1 loss in 2 half-moves
19 Re2 loss in 2 half-moves
20 Re8 loss in 2 half-moves