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 Rc2 win in 3 half-moves
3 Rc3 draw
4 Rc4 draw
5 Rc5 draw
6 Rd7 draw
7 Rf7 draw
8 Kg1 loss in 2 half-moves
9 Kg2 loss in 2 half-moves
10 Kh2 loss in 2 half-moves
11 Ra7 loss in 2 half-moves
12 Rb7 loss in 2 half-moves
13 Rc6 loss in 2 half-moves
14 Rc8 loss in 2 half-moves
15 Re7 loss in 2 half-moves
16 Rg7 loss in 2 half-moves
17 Rh7 loss in 2 half-moves