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

EGTB: win in 2 half-moves

# move score
1 Rb2 win in 1 half-moves
2 Kb4 draw
3 Kb5 draw
4 Kc3 draw
5 Kc5 draw
6 Kd3 draw
7 Kd4 draw
8 Kd5 draw
9 Ra8 draw
10 Rb1 draw
11 Rb3 draw
12 Rb4 draw
13 Rb5 draw
14 Rb6 draw
15 Rc8 draw
16 Rd8 draw
17 Re8 draw
18 Rf8 draw
19 Rg8 draw
20 Kb3 loss in 2 half-moves
21 Rb7 loss in 2 half-moves
22 Rh8 loss in 2 half-moves