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

EGTB: win in 4 half-moves

# move score
1 Ra3 win in 3 half-moves
2 Rc3 win in 3 half-moves
3 Ka1 draw
4 Ka2 draw
5 Ka4 draw
6 Ka5 draw
7 Ka6 draw
8 Kb2 draw
9 Kb4 draw
10 Kb6 draw
11 Kc1 draw
12 Kc2 draw
13 Rb3 draw
14 Rd3 draw
15 Re1 draw
16 Re2 draw
17 Re4 draw
18 Re8 draw
19 Kc4 loss in 2 half-moves
20 Kc5 loss in 2 half-moves
21 Kc6 loss in 2 half-moves
22 Re5 loss in 2 half-moves
23 Re6 loss in 2 half-moves
24 Re7 loss in 2 half-moves
25 Rf3 loss in 2 half-moves
26 Rg3 loss in 2 half-moves
27 Rh3 loss in 2 half-moves