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 Ra3 win in 5 half-moves
3 Rb3 win in 5 half-moves
4 Rd3 draw
5 Re3 draw
6 Rf2 draw
7 Rf6 draw
8 Rf7 draw
9 Rf8 draw
10 Ka4 loss in 2 half-moves
11 Ka7 loss in 2 half-moves
12 Kaa6 loss in 2 half-moves
13 Kab5 loss in 2 half-moves
14 Kb4 loss in 2 half-moves
15 Kb7 loss in 2 half-moves
16 Kba6 loss in 2 half-moves
17 Kbb5 loss in 2 half-moves
18 Kc5 loss in 2 half-moves
19 Kc6 loss in 2 half-moves
20 Kc7 loss in 2 half-moves
21 Rf1 loss in 2 half-moves
22 Rf4 loss in 2 half-moves
23 Rf5 loss in 2 half-moves
24 Rg3 loss in 2 half-moves
25 Rh3 loss in 2 half-moves