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 Ka7 draw
3 Kb7 draw
4 Ra4 draw
5 Rf2 draw
6 Rf6 draw
7 Rg4 draw
8 Rh4 draw
9 Rc4 loss in 2 half-moves
10 Rd4 loss in 2 half-moves
11 Re4 loss in 2 half-moves
12 Rf1 loss in 2 half-moves
13 Rf3 loss in 2 half-moves
14 Rf7 loss in 2 half-moves
15 Rf8 loss in 2 half-moves
16 Kb8 loss in 1 half-moves
17 Rf5 loss in 1 half-moves