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

EGTB: win in 2 half-moves

# move score
1 Rc1 win in 1 half-moves
2 Kc7 draw
3 Kc8 draw
4 Kd7 draw
5 Ke7 draw
6 Ke8 draw
7 Rd5 draw
8 Re5 draw
9 Rf5 draw
10 Rg5 draw
11 Rh5 loss in 12 half-moves
12 Rc6 loss in 8 half-moves
13 Rc7 loss in 8 half-moves
14 Rc8 loss in 8 half-moves
15 Ra5 loss in 2 half-moves
16 Rb5 loss in 2 half-moves
17 Rc2 loss in 2 half-moves
18 Rc3 loss in 2 half-moves
19 Rc4 loss in 2 half-moves