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 Kf4 draw
3 Kf5 draw
4 Kf6 draw
5 Kg4 draw
6 Kg6 draw
7 Kh4 draw
8 Kh5 draw
9 Kh6 draw
10 Rb4 draw
11 Rc2 draw
12 Rc3 draw
13 Rc5 draw
14 Rc6 draw
15 Rc7 draw
16 Rc8 draw
17 Re4 draw
18 Rf4 draw
19 Rh4 draw
20 Rc1 loss in 2 half-moves
21 Rd4 loss in 2 half-moves
22 Rg4 loss in 2 half-moves