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 Ka7 win in 3 half-moves
3 Rb1 win in 3 half-moves
4 Rb3 win in 3 half-moves
5 Rb4 win in 3 half-moves
6 Ka4 win in 5 half-moves
7 Kb7 win in 5 half-moves
8 K5b5 draw
9 K5b6 draw
10 K6b5 draw
11 K6b6 draw
12 Kb4 draw
13 Ra8 draw
14 Rc8 draw
15 Rd8 draw
16 Re8 draw
17 Rf8 draw
18 Rb5 loss in 2 half-moves
19 Rb6 loss in 2 half-moves
20 Rb7 loss in 2 half-moves
21 Rg8 loss in 2 half-moves
22 Rh8 loss in 2 half-moves