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 Ka7 draw
3 Kb7 draw
4 Kb8 draw
5 Ke4 draw
6 Ke5 draw
7 Kg5 draw
8 Rc4 draw
9 Rd4 draw
10 Re4 draw
11 Rf1 draw
12 Rf2 draw
13 Rf3 draw
14 Rg4 draw
15 Rh4 draw
16 Ke6 loss in 2 half-moves
17 Kf6 loss in 2 half-moves
18 Kg4 loss in 2 half-moves
19 Kg6 loss in 2 half-moves
20 Rb4 loss in 1 half-moves