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

EGTB: win in 4 half-moves

# move score
1 Rg6 win in 3 half-moves
2 Rd7 win in 7 half-moves
3 K5g5 draw
4 K5g6 draw
5 K6g5 draw
6 K6g6 draw
7 Kg4 draw
8 Kg7 draw
9 Kh4 draw
10 Kh7 draw
11 Rc6 draw
12 Rd1 draw
13 Rd8 draw
14 Re6 draw
15 Rf6 draw
16 Ra6 loss in 2 half-moves
17 Rb6 loss in 2 half-moves
18 Rd2 loss in 2 half-moves
19 Rd3 loss in 2 half-moves
20 Rd4 loss in 2 half-moves
21 Rd5 loss in 2 half-moves