Click on the third or sixth rank to set the en passant target square.

EGTB: win in 2 half-moves

# move score
1 Rb2 win in 1 half-moves
2 Kc3 draw
3 Kc4 draw
4 Kd4 draw
5 Ke2 draw
6 Ke3 draw
7 Ke4 draw
8 Rd2 draw
9 Rf1 draw
10 Rf3 draw
11 Rf5 draw
12 Rf6 draw
13 Rg2 draw
14 Rh2 draw
15 Kc2 loss in 4 half-moves
16 Kd2 loss in 4 half-moves
17 Ra2 loss in 2 half-moves
18 Rc2 loss in 2 half-moves
19 Re2 loss in 2 half-moves
20 Rf4 loss in 2 half-moves
21 Rf7 loss in 2 half-moves
22 Rf8 loss in 2 half-moves