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 Ka7 draw
3 Ka8 draw
4 Kb7 draw
5 Kc7 draw
6 Kc8 draw
7 Ra4 draw
8 Rc4 draw
9 Rd1 draw
10 Rd2 draw
11 Rd5 draw
12 Rd6 draw
13 Rd7 draw
14 Re4 draw
15 Rg4 draw
16 Rh4 draw
17 Rd3 loss in 2 half-moves
18 Rd8 loss in 2 half-moves
19 Rf4 loss in 2 half-moves