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

EGTB: win in 4 half-moves

# move score
1 Ka4 win in 3 half-moves
2 Kb4 win in 3 half-moves
3 Rc8 win in 3 half-moves
4 Kaa6 draw
5 Kab6 draw
6 Kb5 draw
7 Kba6 draw
8 Kbb6 draw
9 Ra3 draw
10 Rb3 draw
11 Rc1 draw
12 Rc2 draw
13 Rc6 draw
14 Rc7 draw
15 Rd3 draw
16 Ka7 loss in 2 half-moves
17 Ka8 loss in 2 half-moves
18 Kb8 loss in 2 half-moves
19 Kc7 loss in 2 half-moves
20 Kc8 loss in 2 half-moves
21 Rc4 loss in 2 half-moves
22 Rc5 loss in 2 half-moves
23 Re3 loss in 2 half-moves
24 Rf3 loss in 2 half-moves
25 Rg3 loss in 2 half-moves
26 Rh3 loss in 2 half-moves
27 Kc6 loss in 1 half-moves