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

EGTB: win in 4 half-moves

# move score
1 Rc4 win in 3 half-moves
2 Rc5 win in 3 half-moves
3 Rc7 win in 3 half-moves
4 Rc8 win in 3 half-moves
5 Rc3 draw
6 Rc6 draw
7 Re2 draw
8 Rf2 draw
9 Rg2 draw
10 Rh2 draw
11 K5a6 loss in 2 half-moves
12 K5b6 loss in 2 half-moves
13 K7a6 loss in 2 half-moves
14 K7b6 loss in 2 half-moves
15 Ka4 loss in 2 half-moves
16 Ka8 loss in 2 half-moves
17 Kb4 loss in 2 half-moves
18 Kb5 loss in 2 half-moves
19 Kb7 loss in 2 half-moves
20 Kb8 loss in 2 half-moves
21 Ra2 loss in 2 half-moves
22 Rb2 loss in 2 half-moves
23 Rc1 loss in 2 half-moves
24 Rd2 loss in 2 half-moves