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 Rh8 win in 5 half-moves
3 Kg2 draw
4 Kg3 draw
5 Kg4 draw
6 Kh2 draw
7 Kh4 draw
8 Rd5 draw
9 Rd6 draw
10 Rd7 draw
11 Re8 draw
12 Rf8 draw
13 Ra8 loss in 2 half-moves
14 Rb8 loss in 2 half-moves
15 Rc8 loss in 2 half-moves
16 Rd1 loss in 2 half-moves
17 Rd2 loss in 2 half-moves
18 Rd3 loss in 2 half-moves
19 Rd4 loss in 2 half-moves