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 Kc2 draw
3 Kc3 draw
4 Kd4 draw
5 Ke2 draw
6 Ke3 draw
7 Ke4 draw
8 Re4 draw
9 Rf1 draw
10 Rf2 draw
11 Rg4 draw
12 Rh4 draw
13 Kd2 loss in 4 half-moves
14 Rf3 loss in 4 half-moves
15 Rf5 loss in 4 half-moves
16 Kc4 loss in 2 half-moves
17 Ra4 loss in 2 half-moves
18 Rc4 loss in 2 half-moves
19 Rd4 loss in 2 half-moves
20 Rf6 loss in 2 half-moves
21 Rf7 loss in 2 half-moves
22 Rf8 loss in 2 half-moves