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

EGTB: win in 4 half-moves

# move score
1 Rc1 win in 3 half-moves
2 Rc3 win in 5 half-moves
3 Rb5 draw
4 Rc2 draw
5 Rc4 draw
6 Rc8 draw
7 Re5 draw
8 Rf5 draw
9 Rg5 draw
10 K1g1 loss in 2 half-moves
11 K1g2 loss in 2 half-moves
12 K2g1 loss in 2 half-moves
13 K2g2 loss in 2 half-moves
14 Kg3 loss in 2 half-moves
15 Kh3 loss in 2 half-moves
16 Ra5 loss in 2 half-moves
17 Rc6 loss in 2 half-moves
18 Rc7 loss in 2 half-moves
19 Rd5 loss in 2 half-moves
20 Rh5 loss in 2 half-moves