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

EGTB: win in 4 half-moves

# move score
1 Rg8 win in 3 half-moves
2 Kg7 win in 5 half-moves
3 Kh7 win in 5 half-moves
4 Rd5 win in 5 half-moves
5 Rd6 win in 5 half-moves
6 Rd7 win in 5 half-moves
7 K5g5 draw
8 K5g6 draw
9 K6g5 draw
10 K6g6 draw
11 Kg4 draw
12 Kh4 draw
13 Rc8 draw
14 Rd1 draw
15 Re8 draw
16 Rf8 draw
17 Rh8 draw
18 Ra8 loss in 2 half-moves
19 Rb8 loss in 2 half-moves
20 Rd2 loss in 2 half-moves
21 Rd3 loss in 2 half-moves
22 Rd4 loss in 2 half-moves