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 Kd4 draw
3 Kd5 draw
4 Kd6 draw
5 Kf4 draw
6 Kf5 draw
7 Rc4 draw
8 Re1 draw
9 Re2 draw
10 Re3 draw
11 Rf4 draw
12 Rh4 draw
13 Ke6 loss in 2 half-moves
14 Kf6 loss in 2 half-moves
15 Ra4 loss in 2 half-moves
16 Rd4 loss in 2 half-moves
17 Rg4 loss in 2 half-moves