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

EGTB: win in 4 half-moves

# move score
1 Rc7 win in 3 half-moves
2 Rb1 draw
3 Rc4 draw
4 Rc5 draw
5 Rc6 draw
6 Rc8 draw
7 Rf1 draw
8 Rg1 draw
9 Kc7 loss in 2 half-moves
10 Kc8 loss in 2 half-moves
11 Kd7 loss in 2 half-moves
12 Ke7 loss in 2 half-moves
13 Ke8 loss in 2 half-moves
14 Ra1 loss in 2 half-moves
15 Rc2 loss in 2 half-moves
16 Rc3 loss in 2 half-moves
17 Rd1 loss in 2 half-moves
18 Re1 loss in 2 half-moves
19 Rh1 loss in 2 half-moves