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 Ka2 draw
3 Kab2 draw
4 Kb1 draw
5 Kb3 draw
6 Kb4 draw
7 Kc2 draw
8 Kc4 draw
9 Kcb2 draw
10 Ra6 draw
11 Rb2 draw
12 Rb3 draw
13 Rb7 draw
14 Rb8 draw
15 Rc6 draw
16 Rd6 draw
17 Rh6 draw
18 Kd2 loss in 2 half-moves
19 Kd3 loss in 2 half-moves
20 Kd4 loss in 2 half-moves
21 Rb4 loss in 2 half-moves
22 Rb5 loss in 2 half-moves
23 Re6 loss in 2 half-moves
24 Rf6 loss in 2 half-moves
25 Rg6 loss in 2 half-moves