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

EGTB: win in 4 half-moves

# move score
1 Rb6 win in 3 half-moves
2 Rb8 win in 3 half-moves
3 Kcc6 win in 7 half-moves
4 Kdc6 win in 7 half-moves
5 Kdd6 win in 7 half-moves
6 Ke6 win in 7 half-moves
7 Rb5 win in 7 half-moves
8 Rb7 win in 7 half-moves
9 Kb6 draw
10 Kb7 draw
11 Kb8 draw
12 Kcc8 draw
13 Kcd6 draw
14 Kcd8 draw
15 Kdc8 draw
16 Kdd8 draw
17 Ke7 draw
18 Ke8 draw
19 Ra4 draw
20 Rc4 draw
21 Rg4 draw
22 Rb1 loss in 2 half-moves
23 Rb2 loss in 2 half-moves
24 Rb3 loss in 2 half-moves
25 Rd4 loss in 2 half-moves
26 Re4 loss in 2 half-moves
27 Rf4 loss in 2 half-moves
28 Rh4 loss in 2 half-moves