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

EGTB: win in 4 half-moves

# move score
1 Kg4 win in 3 half-moves
2 Kh4 win in 3 half-moves
3 Re4 win in 3 half-moves
4 Re5 win in 3 half-moves
5 Rg3 win in 5 half-moves
6 Rh3 win in 5 half-moves
7 K5g5 draw
8 K5g6 draw
9 K6g5 draw
10 K6g6 draw
11 Kg7 draw
12 Kh7 draw
13 Ra3 draw
14 Re1 draw
15 Re2 draw
16 Re6 draw
17 Rf3 draw
18 Rb3 loss in 2 half-moves
19 Rc3 loss in 2 half-moves
20 Rd3 loss in 2 half-moves
21 Re7 loss in 2 half-moves
22 Re8 loss in 2 half-moves