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 K6a7 draw
3 K6b7 draw
4 K6c7 draw
5 K8a7 draw
6 K8b7 draw
7 K8c7 draw
8 Ka5 draw
9 Ka6 draw
10 Ka8 draw
11 Kb5 draw
12 Kc5 draw
13 Kc6 draw
14 Kc8 draw
15 Ra3 draw
16 Rb3 draw
17 Rc1 draw
18 Rc2 draw
19 Rc7 draw
20 Rd3 draw
21 Re3 draw
22 Rf3 draw
23 Rc4 loss in 2 half-moves
24 Rc5 loss in 2 half-moves
25 Rc6 loss in 2 half-moves
26 Rg3 loss in 2 half-moves
27 Rh3 loss in 2 half-moves