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 Rc1 draw
3 Rc5 draw
4 Rc6 draw
5 Rd2 draw
6 Re2 draw
7 Rf2 draw
8 Rg2 draw
9 Kb7 loss in 2 half-moves
10 Kb8 loss in 2 half-moves
11 Kc7 loss in 2 half-moves
12 Kcd7 loss in 2 half-moves
13 Kcd8 loss in 2 half-moves
14 Ke7 loss in 2 half-moves
15 Ked7 loss in 2 half-moves
16 Ked8 loss in 2 half-moves
17 Kf7 loss in 2 half-moves
18 Kf8 loss in 2 half-moves
19 Ra2 loss in 2 half-moves
20 Rb2 loss in 2 half-moves
21 Rc3 loss in 2 half-moves
22 Rc4 loss in 2 half-moves
23 Rh2 loss in 2 half-moves