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 Re1 win in 7 half-moves
4 Re2 win in 15 half-moves
5 Ka1 draw
6 Ka2 draw
7 Ka3 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 Kc4 draw
17 Kc6 draw
18 Kd6 draw
19 Rc3 draw
20 Rd3 draw
21 Re7 draw
22 Kd4 loss in 2 half-moves
23 Kd5 loss in 2 half-moves
24 Re4 loss in 2 half-moves
25 Re5 loss in 2 half-moves
26 Re6 loss in 2 half-moves
27 Re8 loss in 2 half-moves
28 Rf3 loss in 2 half-moves
29 Rg3 loss in 2 half-moves
30 Rh3 loss in 2 half-moves