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 Ra8 draw
8 Rb2 draw
9 Rb5 draw
10 Rb6 draw
11 Rb7 draw
12 Rc8 draw
13 Rd8 draw
14 Re8 draw
15 Rf8 draw
16 Ke1 loss in 2 half-moves
17 Ke2 loss in 2 half-moves
18 Ke3 loss in 2 half-moves
19 Rb1 loss in 2 half-moves
20 Rb3 loss in 2 half-moves
21 Rg8 loss in 2 half-moves
22 Rh8 loss in 2 half-moves