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

EGTB: win in 2 half-moves

# move score
1 Re7 win in 1 half-moves
2 Ka7 draw
3 Ka8 draw
4 Kb7 draw
5 Kc7 draw
6 Kc8 draw
7 Ra7 draw
8 Rb7 draw
9 Rd1 draw
10 Rd2 draw
11 Rd3 draw
12 Rd4 draw
13 Rd5 draw
14 Rd6 draw
15 Rf7 draw
16 Rg7 draw
17 Rh7 draw
18 Rc7 loss in 2 half-moves
19 Rd8 loss in 2 half-moves