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 Ka4 draw
3 Ka6 draw
4 Kab5 draw
5 Kab6 draw
6 Kb4 draw
7 Kb7 draw
8 Kc5 draw
9 Kc7 draw
10 Kcb5 draw
11 Kcb6 draw
12 Kd7 draw
13 Ra2 draw
14 Rc2 draw
15 Rd2 draw
16 Re1 draw
17 Re3 draw
18 Re4 draw
19 Re8 draw
20 Kd5 loss in 2 half-moves
21 Kd6 loss in 2 half-moves
22 Re5 loss in 2 half-moves
23 Re6 loss in 2 half-moves
24 Re7 loss in 2 half-moves
25 Rf2 loss in 2 half-moves
26 Rg2 loss in 2 half-moves
27 Rh2 loss in 2 half-moves