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 Kb1 draw
3 Kb2 draw
4 Kc1 draw
5 Kc3 draw
6 Kd1 draw
7 Kd2 draw
8 Kd3 draw
9 Ra8 draw
10 Rb1 draw
11 Rb2 draw
12 Rb3 draw
13 Rb5 draw
14 Rb7 draw
15 Rc8 draw
16 Re8 draw
17 Rf8 draw
18 Rh8 draw
19 Kb3 loss in 2 half-moves
20 Rb6 loss in 2 half-moves
21 Rd8 loss in 2 half-moves
22 Rg8 loss in 2 half-moves