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 Kb7 draw
4 Kb8 draw
5 Ra4 draw
6 Rc1 draw
7 Rc2 draw
8 Rc5 draw
9 Rc6 draw
10 Rc7 draw
11 Rd4 draw
12 Re4 draw
13 Rf4 draw
14 Rh4 draw
15 Rc3 loss in 2 half-moves
16 Rc8 loss in 2 half-moves
17 Rg4 loss in 2 half-moves