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

EGTB: win in 4 half-moves

# move score
1 Ra7 win in 3 half-moves
2 Kc1 draw
3 Ra3 draw
4 Ra4 draw
5 Ra5 draw
6 Ra6 draw
7 Ra8 draw
8 Rb2 draw
9 Rc2 draw
10 Rd2 draw
11 Re2 draw
12 Rf2 draw
13 Rg2 draw
14 Rh2 draw
15 Kb2 loss in 2 half-moves
16 Kc2 loss in 2 half-moves