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

EGTB: win in 4 half-moves

# move score
1 K7a7 win in 3 half-moves
2 K7c7 win in 3 half-moves
3 K7c8 win in 3 half-moves
4 K8a8 win in 3 half-moves
5 K8c7 win in 3 half-moves
6 K8c8 win in 3 half-moves
7 Rc7 win in 3 half-moves
8 Re8 win in 3 half-moves
9 K7a8 win in 5 half-moves
10 K8a7 win in 5 half-moves
11 Re6 win in 5 half-moves
12 Rd7 draw
13 Re1 draw
14 Re5 draw
15 Rf7 draw
16 Rg7 draw
17 Rh7 draw
18 Ka6 loss in 2 half-moves
19 Kb6 loss in 2 half-moves
20 Kc6 loss in 2 half-moves
21 Re2 loss in 2 half-moves
22 Re3 loss in 2 half-moves
23 Re4 loss in 2 half-moves