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

EGTB: win in 4 half-moves

# move score
1 Rb3 win in 3 half-moves
2 Ra3 win in 5 half-moves
3 Ka1 draw
4 Ka2 draw
5 Ka3 draw
6 Ka4 draw
7 Ka6 draw
8 Kb1 draw
9 Kb3 draw
10 Kb4 draw
11 Kb5 draw
12 Kb6 draw
13 Kc1 draw
14 Kc2 draw
15 Kc3 draw
16 Rc3 draw
17 Rd3 draw
18 Rh1 draw
19 Rh2 draw
20 Rh4 draw
21 Rh8 draw
22 Re3 loss in 2 half-moves
23 Rf3 loss in 2 half-moves
24 Rg3 loss in 2 half-moves
25 Rh5 loss in 2 half-moves
26 Rh6 loss in 2 half-moves
27 Rh7 loss in 2 half-moves