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

EGTB: win in 4 half-moves

# move score
1 Ra2 win in 3 half-moves
2 Ka3 draw
3 Ka4 draw
4 Ka5 draw
5 Ka7 draw
6 Kb3 draw
7 Kb8 draw
8 Kc3 draw
9 Kc4 draw
10 Kc5 draw
11 Rb2 draw
12 Rc2 draw
13 Rd2 draw
14 Re1 draw
15 Re3 draw
16 Re4 draw
17 Re5 draw
18 Re6 draw
19 Kb5 loss in 2 half-moves
20 Kb7 loss in 2 half-moves
21 Re7 loss in 2 half-moves
22 Re8 loss in 2 half-moves
23 Rf2 loss in 2 half-moves
24 Rg2 loss in 2 half-moves
25 Rh2 loss in 2 half-moves