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

EGTB: win in 4 half-moves

# move score
1 Rb3 win in 3 half-moves
2 Ka2 draw
3 Kb1 draw
4 Kb2 draw
5 Kb5 draw
6 Kb6 draw
7 Kb7 draw
8 Kc5 draw
9 Kd5 draw
10 Kd6 draw
11 Kd7 draw
12 Ra3 draw
13 Rc3 draw
14 Rd3 draw
15 Re3 draw
16 Rf4 draw
17 Rf5 draw
18 Rf6 draw
19 Rf7 draw
20 Rf8 draw
21 Kc7 loss in 2 half-moves
22 Rf1 loss in 2 half-moves
23 Rf2 loss in 2 half-moves
24 Rg3 loss in 2 half-moves
25 Rh3 loss in 2 half-moves