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

EGTB: win in 4 half-moves

# move score
1 Rc4 win in 3 half-moves
2 Rb5 draw
3 Rc1 draw
4 Rc2 draw
5 Rc6 draw
6 Rf5 draw
7 g1=B loss in 2 half-moves
8 g1=K loss in 2 half-moves
9 g1=N loss in 2 half-moves
10 g1=Q loss in 2 half-moves
11 g1=R loss in 2 half-moves
12 Ra5 loss in 2 half-moves
13 Rc3 loss in 2 half-moves
14 Rc7 loss in 2 half-moves
15 Rc8 loss in 2 half-moves
16 Rd5 loss in 2 half-moves
17 Re5 loss in 2 half-moves
18 Rg5 loss in 2 half-moves
19 Rh5 loss in 2 half-moves