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 Ka6 draw
3 Ka8 draw
4 Ra4 draw
5 Rc4 draw
6 Rd4 draw
7 Re4 draw
8 Rf1 draw
9 Rf2 draw
10 Rf5 draw
11 Rf6 draw
12 Rf7 draw
13 Rf8 draw
14 Rg4 draw
15 Rh4 draw
16 Kb6 loss in 2 half-moves
17 Kb7 loss in 2 half-moves
18 Kb8 loss in 2 half-moves
19 Rf3 loss in 2 half-moves