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 Rb5 win in 1 half-moves
3 Ka1 draw
4 Ka2 draw
5 Ka3 draw
6 Kb1 draw
7 Kb3 draw
8 Kc1 draw
9 Kc2 draw
10 Kc3 draw
11 Ra8 draw
12 Rb3 draw
13 Rb6 draw
14 Rb7 draw
15 Rd8 draw
16 Re8 draw
17 Rf8 draw
18 Rg8 draw
19 Rc8 loss in 2 half-moves
20 Rh8 loss in 2 half-moves