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

EGTB: win in 10 half-moves

# move score
1 Rb3 win in 9 half-moves
2 Rf5 draw
3 Rf6 draw
4 Rf7 draw
5 Ka1 loss in 2 half-moves
6 Ka2 loss in 2 half-moves
7 Ka3 loss in 2 half-moves
8 Ka4 loss in 2 half-moves
9 Ka5 loss in 2 half-moves
10 Ka6 loss in 2 half-moves
11 Kb1 loss in 2 half-moves
12 Kb3 loss in 2 half-moves
13 Kb4 loss in 2 half-moves
14 Kb6 loss in 2 half-moves
15 Kc1 loss in 2 half-moves
16 Kc2 loss in 2 half-moves
17 Kc3 loss in 2 half-moves
18 Kc4 loss in 2 half-moves
19 Kc5 loss in 2 half-moves
20 Kc6 loss in 2 half-moves
21 Ra3 loss in 2 half-moves
22 Rc3 loss in 2 half-moves
23 Rd3 loss in 2 half-moves
24 Re3 loss in 2 half-moves
25 Rf1 loss in 2 half-moves
26 Rf2 loss in 2 half-moves
27 Rf4 loss in 2 half-moves
28 Rf8 loss in 2 half-moves
29 Rg3 loss in 2 half-moves
30 Rh3 loss in 2 half-moves