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 Kb7 draw
3 Kc7 draw
4 Kd7 draw
5 Kd8 draw
6 Rc7 draw
7 Rd5 draw
8 Re5 draw
9 Rg5 draw
10 Rh5 draw
11 Kb8 loss in 4 half-moves
12 Ra5 loss in 2 half-moves
13 Rb5 loss in 2 half-moves
14 Rc1 loss in 2 half-moves
15 Rc2 loss in 2 half-moves
16 Rc3 loss in 2 half-moves
17 Rc6 loss in 2 half-moves
18 Rf5 loss in 1 half-moves