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 Rc8 win in 3 half-moves
3 Rh1 win in 5 half-moves
4 Kf8 draw
5 Ra1 draw
6 Rb1 draw
7 Rc2 draw
8 Rc6 draw
9 Rg1 draw
10 Kf7 loss in 2 half-moves
11 Kgg7 loss in 2 half-moves
12 Kgh7 loss in 2 half-moves
13 Khg7 loss in 2 half-moves
14 Khh7 loss in 2 half-moves
15 Rc3 loss in 2 half-moves
16 Rc4 loss in 2 half-moves
17 Rc5 loss in 2 half-moves
18 Rd1 loss in 2 half-moves
19 Re1 loss in 2 half-moves
20 Rf1 loss in 2 half-moves