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 Kc3 draw
3 Kc4 draw
4 Kd2 draw
5 Ke2 draw
6 Ke3 draw
7 Ke4 draw
8 Ra4 draw
9 Rf1 draw
10 Rf2 draw
11 Rf3 draw
12 Rf5 draw
13 Kd4 loss in 4 half-moves
14 Kc2 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 Rf6 loss in 2 half-moves
19 Rf7 loss in 2 half-moves
20 Rf8 loss in 2 half-moves
21 Rg4 loss in 2 half-moves
22 Rh4 loss in 2 half-moves