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

EGTB: win in 2 half-moves

# move score
1 Rb4 win in 1 half-moves
2 Kc1 draw
3 Kc2 draw
4 Kc3 draw
5 Kd1 draw
6 Kd3 draw
7 Rb2 draw
8 Rb5 draw
9 Rb6 draw
10 Rb8 draw
11 Rc7 draw
12 Rd7 draw
13 Re7 draw
14 Rf7 draw
15 Ke1 loss in 2 half-moves
16 Ke2 loss in 2 half-moves
17 Ke3 loss in 2 half-moves
18 Ra7 loss in 2 half-moves
19 Rb1 loss in 2 half-moves
20 Rb3 loss in 2 half-moves
21 Rg7 loss in 2 half-moves
22 Rh7 loss in 2 half-moves