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

EGTB: win in 2 half-moves

# move score
1 Rb1 win in 1 half-moves
2 Ka5 win in 3 half-moves
3 Ka7 win in 3 half-moves
4 Kb3 win in 7 half-moves
5 Kb4 win in 7 half-moves
6 Kb5 win in 7 half-moves
7 Kb7 win in 7 half-moves
8 Ka3 draw
9 Rb5 draw
10 Rb6 draw
11 Rb7 draw
12 Rc8 draw
13 Rd8 draw
14 Rh8 draw
15 Rb2 loss in 2 half-moves
16 Rb3 loss in 2 half-moves
17 Rb4 loss in 2 half-moves
18 Re8 loss in 2 half-moves
19 Rf8 loss in 2 half-moves
20 Rg8 loss in 2 half-moves