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