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 Ka1 draw
3 Ka2 draw
4 Ka3 draw
5 Kb1 draw
6 Kb3 draw
7 Kc1 draw
8 Kc2 draw
9 Kc3 draw
10 Ra5 draw
11 Rb3 draw
12 Rb6 draw
13 Rb7 draw
14 Rb8 draw
15 Rc5 draw
16 Rd5 draw
17 Re5 draw
18 Rf5 draw
19 Rg5 loss in 2 half-moves
20 Rh5 loss in 2 half-moves