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 Kf2 draw
3 Kf3 draw
4 Kg2 draw
5 Kg4 draw
6 Kh2 draw
7 Kh3 draw
8 Kh4 draw
9 Re4 draw
10 Rf5 draw
11 Rf6 draw
12 Rf7 draw
13 Rf8 draw
14 Rh4 draw
15 Rb4 loss in 2 half-moves
16 Rc4 loss in 2 half-moves
17 Rd4 loss in 2 half-moves
18 Rf1 loss in 2 half-moves
19 Rf2 loss in 2 half-moves
20 Rf3 loss in 2 half-moves
21 Rg4 loss in 2 half-moves