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