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

EGTB: win in 2 half-moves

# move score
1 Rb1 win in 1 half-moves
2 Kc2 draw
3 Kc4 draw
4 Kd2 draw
5 Kd3 draw
6 Ra4 draw
7 Rb2 draw
8 Rb3 draw
9 Rf4 draw
10 Rg4 draw
11 Rh4 draw
12 Kb2 loss in 14 half-moves
13 Rb6 loss in 12 half-moves
14 Kb3 loss in 8 half-moves
15 Kd4 loss in 8 half-moves
16 Rb5 loss in 2 half-moves
17 Rb7 loss in 2 half-moves
18 Rb8 loss in 2 half-moves
19 Rc4 loss in 2 half-moves
20 Rd4 loss in 2 half-moves
21 Re4 loss in 2 half-moves