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

EGTB: win in 4 half-moves

# move score
1 Rb1 win in 3 half-moves
2 Ka3 draw
3 Ka5 draw
4 Ka7 draw
5 Ka8 draw
6 Kb3 draw
7 Kb4 draw
8 Kc7 draw
9 Kc8 draw
10 Ra1 draw
11 Rc1 draw
12 Rd1 draw
13 Re2 draw
14 Re3 draw
15 Re4 draw
16 Re5 draw
17 Re6 draw
18 Kb5 loss in 2 half-moves
19 Kb7 loss in 2 half-moves
20 Re7 loss in 2 half-moves
21 Re8 loss in 2 half-moves
22 Rf1 loss in 2 half-moves
23 Rg1 loss in 2 half-moves
24 Rh1 loss in 2 half-moves