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

EGTB: win in 4 half-moves

# move score
1 Rb2 win in 3 half-moves
2 Ka3 draw
3 Ka5 draw
4 Ka7 draw
5 Ka8 draw
6 Kb3 draw
7 Kb4 draw
8 Kb5 draw
9 Kb7 draw
10 Kc8 draw
11 Ra2 draw
12 Rc2 draw
13 Rd2 draw
14 Re2 draw
15 Rf1 draw
16 Rf6 draw
17 Rf7 draw
18 Rf8 draw
19 Kc7 loss in 2 half-moves
20 Rf3 loss in 2 half-moves
21 Rf4 loss in 2 half-moves
22 Rf5 loss in 2 half-moves
23 Rg2 loss in 2 half-moves
24 Rh2 loss in 2 half-moves