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

EGTB: win in 4 half-moves

# move score
1 Rc3 win in 3 half-moves
2 Rc4 win in 3 half-moves
3 Rc5 win in 3 half-moves
4 Rc6 win in 3 half-moves
5 Ka2 draw
6 Ka3 draw
7 Ka6 draw
8 Kaa4 draw
9 Kab4 draw
10 Kb2 draw
11 Kb5 draw
12 Kb6 draw
13 Kba4 draw
14 Kbb4 draw
15 Kc4 draw
16 Ra8 draw
17 Rb8 draw
18 Rc7 draw
19 Rh8 draw
20 Kc2 loss in 2 half-moves
21 Kc3 loss in 2 half-moves
22 Rc1 loss in 2 half-moves
23 Rc2 loss in 2 half-moves
24 Rd8 loss in 2 half-moves
25 Re8 loss in 2 half-moves
26 Rf8 loss in 2 half-moves
27 Rg8 loss in 2 half-moves