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 Kf8 draw
6 Kh8 draw
7 Rc4 draw
8 Rd4 draw
9 Re4 draw
10 Rf4 draw
11 Rg1 draw
12 Rg2 draw
13 Rg3 draw
14 Rg5 draw
15 Rg6 draw
16 Rg7 draw
17 Rh4 draw
18 Kf7 loss in 2 half-moves
19 Kg7 loss in 2 half-moves
20 Kh7 loss in 2 half-moves
21 Ra4 loss in 1 half-moves