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

EGTB: win in 2 half-moves

# move score
1 Ra4 win in 1 half-moves
2 Ke4 draw
3 Ke5 draw
4 Ke6 draw
5 Kg4 draw
6 Kg5 draw
7 Kg6 draw
8 Re4 draw
9 Rf3 draw
10 Rg4 draw
11 Rh4 loss in 12 half-moves
12 Kf6 loss in 6 half-moves
13 Rb4 loss in 2 half-moves
14 Rc4 loss in 2 half-moves
15 Rd4 loss in 2 half-moves
16 Rf1 loss in 2 half-moves
17 Rf2 loss in 2 half-moves