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

EGTB: win in 4 half-moves

# move score
1 Rc8 win in 3 half-moves
2 Rc1 draw
3 Rc2 draw
4 Rc6 draw
5 Rc7 draw
6 Re3 draw
7 Rf3 draw
8 Rg3 draw
9 Rh3 draw
10 Ka5 loss in 2 half-moves
11 Kb5 loss in 2 half-moves
12 Kb6 loss in 2 half-moves
13 Kb8 loss in 2 half-moves
14 Ra3 loss in 2 half-moves
15 Rb3 loss in 2 half-moves
16 Rc4 loss in 2 half-moves
17 Rc5 loss in 2 half-moves
18 Rd3 loss in 2 half-moves
19 K6a7 loss in 1 half-moves
20 K6b7 loss in 1 half-moves
21 K8a7 loss in 1 half-moves
22 K8b7 loss in 1 half-moves