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 Rd2 win in 19 half-moves
3 K6a7 draw
4 K6b7 draw
5 K8a7 draw
6 K8b7 draw
7 Ka5 draw
8 Ka6 draw
9 Ka8 draw
10 Kb5 draw
11 Ra2 draw
12 Rb2 draw
13 Rc1 draw
14 Rc3 draw
15 Rc4 draw
16 Rf2 draw
17 Rh2 draw
18 K6c7 loss in 2 half-moves
19 K8c7 loss in 2 half-moves
20 Kc5 loss in 2 half-moves
21 Kc6 loss in 2 half-moves
22 Kc8 loss in 2 half-moves
23 Rc5 loss in 2 half-moves
24 Rc6 loss in 2 half-moves
25 Rc7 loss in 2 half-moves
26 Re2 loss in 2 half-moves
27 Rg2 loss in 2 half-moves