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

EGTB: win in 4 half-moves

# move score
1 Rc8 win in 3 half-moves
2 Rc6 win in 5 half-moves
3 Rh4 win in 5 half-moves
4 K7g7 draw
5 K7g8 draw
6 K8g7 draw
7 K8g8 draw
8 Kg6 draw
9 Kh6 draw
10 Ra4 draw
11 Rb4 draw
12 Rc3 draw
13 Rc5 draw
14 Rc7 draw
15 Rd4 draw
16 Rc1 loss in 2 half-moves
17 Rc2 loss in 2 half-moves
18 Re4 loss in 2 half-moves
19 Rf4 loss in 2 half-moves
20 Rg4 loss in 2 half-moves