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

EGTB: win in 4 half-moves

# move score
1 Rc4 win in 3 half-moves
2 Rc5 win in 3 half-moves
3 Rc6 win in 3 half-moves
4 Rc7 win in 3 half-moves
5 Ka4 draw
6 Ka7 draw
7 Kaa5 draw
8 Kab6 draw
9 Kb4 draw
10 Kb7 draw
11 Kba5 draw
12 Kbb6 draw
13 Kc4 draw
14 Kc5 draw
15 Kc6 draw
16 Ra3 draw
17 Rb3 draw
18 Rc8 draw
19 Rg3 draw
20 Rc1 loss in 2 half-moves
21 Rc2 loss in 2 half-moves
22 Rd3 loss in 2 half-moves
23 Re3 loss in 2 half-moves
24 Rf3 loss in 2 half-moves
25 Rh3 loss in 2 half-moves