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

EGTB: win in 4 half-moves

# move score
1 Kg7 win in 3 half-moves
2 Kh7 win in 3 half-moves
3 Re4 win in 3 half-moves
4 Re5 win in 3 half-moves
5 Re6 win in 3 half-moves
6 Re7 win in 3 half-moves
7 K5g5 draw
8 K5g6 draw
9 K6g5 draw
10 K6g6 draw
11 Kg4 draw
12 Kh4 draw
13 Ra8 draw
14 Re3 draw
15 Rf8 draw
16 Rg8 draw
17 Rh8 draw
18 Rb8 loss in 2 half-moves
19 Rc8 loss in 2 half-moves
20 Rd8 loss in 2 half-moves
21 Re1 loss in 2 half-moves
22 Re2 loss in 2 half-moves