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

EGTB: win in 4 half-moves

# move score
1 Kb6 win in 3 half-moves
2 Kd4 win in 3 half-moves
3 Rb7 win in 3 half-moves
4 Rc7 win in 3 half-moves
5 Kc6 win in 5 half-moves
6 Re6 win in 5 half-moves
7 Re1 win in 7 half-moves
8 Re5 win in 9 half-moves
9 Ka1 draw
10 Ka2 draw
11 Ka3 draw
12 Kb1 draw
13 Kb3 draw
14 Kb4 draw
15 Kb5 draw
16 Kc1 draw
17 Kc2 draw
18 Kc3 draw
19 Kc4 draw
20 Kd5 draw
21 Kd6 draw
22 Ra7 draw
23 Rd7 draw
24 Re8 draw
25 Rf7 draw
26 Re2 loss in 2 half-moves
27 Re3 loss in 2 half-moves
28 Re4 loss in 2 half-moves
29 Rg7 loss in 2 half-moves
30 Rh7 loss in 2 half-moves