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

EGTB: win in 4 half-moves

# move score
1 Rb2 win in 3 half-moves
2 Ka2 draw
3 Ka4 draw
4 Ka7 draw
5 Ka8 draw
6 Kb2 draw
7 Kb3 draw
8 Kb4 draw
9 Kb7 draw
10 Kc7 draw
11 Kc8 draw
12 Ra5 draw
13 Rb1 draw
14 Rb3 draw
15 Rb4 draw
16 Rc5 draw
17 Rd5 draw
18 Rh5 draw
19 Rb6 loss in 2 half-moves
20 Rb7 loss in 2 half-moves
21 Re5 loss in 2 half-moves
22 Rf5 loss in 2 half-moves
23 Rg5 loss in 2 half-moves