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 Re6 win in 1 half-moves
3 Re7 win in 1 half-moves
4 Re8 win in 1 half-moves
5 Rf4 win in 1 half-moves
6 Rc4 draw
7 Rd4 draw
8 Kc2 loss in 2 half-moves
9 Kc3 loss in 2 half-moves
10 Kd2 loss in 2 half-moves
11 Ke2 loss in 2 half-moves
12 Ke3 loss in 2 half-moves
13 Ra4 loss in 2 half-moves
14 Re1 loss in 2 half-moves
15 Re2 loss in 2 half-moves
16 Re3 loss in 2 half-moves
17 Re5 loss in 2 half-moves
18 Rg4 loss in 2 half-moves
19 Rh4 loss in 2 half-moves
20 Kc4 loss in 1 half-moves
21 Kd4 loss in 1 half-moves