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 Rd8 win in 7 half-moves
3 Re8 win in 7 half-moves
4 Rf8 win in 7 half-moves
5 Rh8 win in 7 half-moves
6 Rc1 draw
7 Rc3 draw
8 Rc4 draw
9 Rc5 draw
10 K6g6 loss in 2 half-moves
11 K6g7 loss in 2 half-moves
12 K7g6 loss in 2 half-moves
13 K7g7 loss in 2 half-moves
14 Kg5 loss in 2 half-moves
15 Kg8 loss in 2 half-moves
16 Kh5 loss in 2 half-moves
17 Kh8 loss in 2 half-moves
18 Ra8 loss in 2 half-moves
19 Rb8 loss in 2 half-moves
20 Rc2 loss in 2 half-moves
21 Rc6 loss in 2 half-moves
22 Rc7 loss in 2 half-moves