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 Rc2 win in 3 half-moves
3 Ka4 draw
4 Ka5 draw
5 Ka6 draw
6 Kb6 draw
7 Kb7 draw
8 Kb8 draw
9 Kc4 draw
10 Kc5 draw
11 Kc6 draw
12 Kc7 draw
13 Kd7 draw
14 Kd8 draw
15 Ra2 draw
16 Rd2 draw
17 Re1 draw
18 Re3 draw
19 Re7 draw
20 Re8 draw
21 Kb4 loss in 2 half-moves
22 Re4 loss in 2 half-moves
23 Re5 loss in 2 half-moves
24 Re6 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