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

EGTB: win in 2 half-moves

# move score
1 Rb4 win in 1 half-moves
2 Ka2 draw
3 Kb1 draw
4 Kb2 draw
5 Kf2 draw
6 Kf3 draw
7 Kf4 draw
8 Kg2 draw
9 Kh2 draw
10 Kh3 draw
11 Kh4 draw
12 Rc4 draw
13 Rd4 draw
14 Re4 draw
15 Rf4 draw
16 Rg5 draw
17 Rg6 draw
18 Rg7 draw
19 Rg8 draw
20 Rh4 draw
21 Ra4 loss in 1 half-moves