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 Kd8 draw
3 Ke2 draw
4 Ke3 draw
5 Ke4 draw
6 Kf2 draw
7 Kf8 draw
8 Kg2 draw
9 Kg3 draw
10 Rf5 draw
11 Rf6 draw
12 Rg4 draw
13 Rh4 draw
14 Ra4 loss in 2 half-moves
15 Rc4 loss in 2 half-moves
16 Rd4 loss in 2 half-moves
17 Re4 loss in 2 half-moves
18 Rf7 loss in 2 half-moves
19 Rf8 loss in 2 half-moves
20 Kd7 loss in 1 half-moves
21 Ke7 loss in 1 half-moves
22 Kf7 loss in 1 half-moves
23 Kg4 loss in 1 half-moves