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

EGTB: win in 4 half-moves

# move score
1 Re1 win in 3 half-moves
2 Ka1 draw
3 Ka2 draw
4 Kb2 draw
5 Kbc1 draw
6 Kbc2 draw
7 Kd2 draw
8 Kdc1 draw
9 Kdc2 draw
10 Ke1 draw
11 Ke2 draw
12 Rf2 draw
13 Rf6 draw
14 Rf7 draw
15 Rf8 draw
16 Rf3 loss in 2 half-moves
17 Rf4 loss in 2 half-moves
18 Rf5 loss in 2 half-moves
19 Rg1 loss in 2 half-moves
20 Rh1 loss in 2 half-moves