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 Re1 win in 5 half-moves
4 Re2 win in 5 half-moves
5 Re3 win in 5 half-moves
6 Kg1 draw
7 Kg2 draw
8 Kg3 draw
9 Kg4 draw
10 Kg5 draw
11 Kh2 draw
12 Kh3 draw
13 Kh5 draw
14 Rd7 draw
15 Re8 draw
16 Rf7 draw
17 Ra7 loss in 2 half-moves
18 Rb7 loss in 2 half-moves
19 Rc7 loss in 2 half-moves
20 Re4 loss in 2 half-moves
21 Re5 loss in 2 half-moves
22 Re6 loss in 2 half-moves