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

EGTB: win in 2 half-moves

# move score
1 Rc4 win in 1 half-moves
2 Rc7 win in 1 half-moves
3 Rc8 win in 1 half-moves
4 Ra6 draw
5 Rb6 draw
6 Rf6 draw
7 Kg1 loss in 2 half-moves
8 Kg2 loss in 2 half-moves
9 Kg3 loss in 2 half-moves
10 Kh1 loss in 2 half-moves
11 Kh3 loss in 2 half-moves
12 Rc1 loss in 2 half-moves
13 Rc2 loss in 2 half-moves
14 Rc3 loss in 2 half-moves
15 Rc5 loss in 2 half-moves
16 Rd6 loss in 2 half-moves
17 Re6 loss in 2 half-moves
18 Rg6 loss in 1 half-moves
19 Rh6 loss in 1 half-moves