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

EGTB: win in 4 half-moves

# move score
1 Kc6 win in 3 half-moves
2 Kc7 win in 3 half-moves
3 Kc8 win in 3 half-moves
4 Rc7 win in 3 half-moves
5 Ka6 draw
6 Kaa7 draw
7 Kab8 draw
8 Kb6 draw
9 Kba7 draw
10 Kbb8 draw
11 Rd2 draw
12 Rd8 draw
13 Re7 draw
14 Rd1 loss in 2 half-moves
15 Rd3 loss in 2 half-moves
16 Rd4 loss in 2 half-moves
17 Rd5 loss in 2 half-moves
18 Rd6 loss in 2 half-moves
19 Rf7 loss in 2 half-moves
20 Rg7 loss in 2 half-moves
21 Rh7 loss in 2 half-moves