The two sides with 100 percent records in Group H meet at the Bernabeu on Tuesday, when Real Madrid host Tottenham Hotspur in a game which could go some way to deciding who qualifies for the last 16 in first place.
While the defending champions have had a couple of wobbles domestically, in Europe they have started strongly beating APOEL 3-0 at home before heading to Dortmund and comfortably winning by a 3-1 scoreline.
Spurs also overcome Borussia by the same scoreline at Wembley and their 3-0 win in Cyprus means they have exactly the same number of points, goals scored and goals conceded as Real Madrid; so while there is nothing between the two teams in the group, in the win market there is a big gap with dabblebet pricing a home victory at 4/9 (1.44) and Spurs offered at 11/2 (6.50) while the draw is available at 15/4 (4.75).
The north Londoners' start to their European campaign will give them some hope heading to the Spanish capital, and Mauricio Pochettino's men have won seven and drawn one of their last eight matches in all competitions - conceding just three goals in the process - and running a tight ship at the back will be key to Spurs' hopes of getting anything from their trip to Madrid.
Keeping Los Blancos at bay will be tough however, with Madrid's only blank in their last 52 Champions League games coming at PSG in 2015; indeed the Spanish champions have netted in every European game at the Bernabeu since April 2011, and they are priced at just 2/5 (1.40) to break the deadlock.
Nevertheless a high scoring game is not necessarily on the cards, and the price of 17/10 (2.70) for under 2.5 goals looks well worthy of investment as this season three of Madrid's four home La Liga games have seen less than three goals, with Zinedine Zidane's side failing to show a clinical edge in front of their own fans.
Against a resolute Spurs defence which has been statistically the best in the Premier League for the last two seasons, we should not expect Madrid to have things all their own way.
Furthermore, English teams' recent visits to the Bernabeu have all produced low scoring results with Manchester United drawing 1-1 in 2013, Liverpool losing 1-0 in 2014 and Manchester City going down 1-0 in 2016, so for more cautious punters the price of 3/4 (1.75) for under 3.5 goals is also extremely tempting, while opposing both teams to score at 13/10 (2.30) also seems like an interesting option.