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 Ka1 draw
3 Ka3 draw
4 Kb1 draw
5 Kb2 draw
6 Kb3 draw
7 Kb5 draw
8 Kb6 draw
9 Kb7 draw
10 Kc7 draw
11 Kd7 draw
12 Rc2 draw
13 Rd1 draw
14 Rd8 draw
15 Rh2 draw
16 Kc5 loss in 2 half-moves
17 Kd5 loss in 2 half-moves
18 Kd6 loss in 2 half-moves
19 Rd3 loss in 2 half-moves
20 Rd4 loss in 2 half-moves
21 Rd5 loss in 2 half-moves
22 Rd6 loss in 2 half-moves
23 Rd7 loss in 2 half-moves
24 Re2 loss in 2 half-moves
25 Rf2 loss in 2 half-moves
26 Rg2 loss in 2 half-moves