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 Kb7 win in 3 half-moves
3 Kb8 win in 3 half-moves
4 Re6 win in 3 half-moves
5 Re8 win in 3 half-moves
6 Re7 win in 13 half-moves
7 Kcc6 draw
8 Kcc8 draw
9 Kcd6 draw
10 Kcd8 draw
11 Kdc6 draw
12 Kdc8 draw
13 Kdd6 draw
14 Kdd8 draw
15 Ke6 draw
16 Ke7 draw
17 Ke8 draw
18 Ra4 draw
19 Re3 draw
20 Re5 draw
21 Rf4 draw
22 Rg4 draw
23 Rh4 draw
24 Rb4 loss in 2 half-moves
25 Rc4 loss in 2 half-moves
26 Rd4 loss in 2 half-moves
27 Re1 loss in 2 half-moves
28 Re2 loss in 2 half-moves