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

EGTB: win in 4 half-moves

# move score
1 Rg5 win in 3 half-moves
2 Kf7 draw
3 Kf8 draw
4 Kg7 draw
5 Kh7 draw
6 Kh8 draw
7 Re2 draw
8 Re7 draw
9 Re8 draw
10 Rf5 draw
11 Rh5 draw
12 Kc4 loss in 2 half-moves
13 Kc5 loss in 2 half-moves
14 Kc6 loss in 2 half-moves
15 Kd4 loss in 2 half-moves
16 Kd6 loss in 2 half-moves
17 Ke4 loss in 2 half-moves
18 Ke6 loss in 2 half-moves
19 Re1 loss in 2 half-moves
20 Re3 loss in 2 half-moves
21 Re4 loss in 2 half-moves
22 Re6 loss in 2 half-moves