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 Kf4 draw
5 Kg2 draw
6 Kg4 draw
7 Kh2 draw
8 Kh3 draw
9 Kh4 draw
10 Rb1 draw
11 Rb2 draw
12 Rb3 draw
13 Rb5 draw
14 Rb6 draw
15 Rc4 draw
16 Rd4 draw
17 Re4 draw
18 Rb7 loss in 2 half-moves
19 Rb8 loss in 2 half-moves
20 Rf4 loss in 2 half-moves
21 Rg4 loss in 2 half-moves
22 Rh4 loss in 2 half-moves